./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d32_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d32_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5eb28cc7575e168a1cfc976b73d33f741d269483737674360dc29ea051121d5b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:37:04,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:37:04,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:37:04,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:37:04,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:37:04,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:37:04,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:37:04,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:37:04,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:37:04,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:37:04,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:37:04,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:37:04,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:37:04,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:37:04,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:37:04,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:37:04,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:37:04,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:37:04,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:37:04,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:37:04,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:37:04,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:37:04,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:37:04,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:37:04,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:37:04,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:37:04,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:37:04,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:37:04,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:37:04,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:37:04,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:37:04,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:37:04,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:37:04,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:37:04,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:37:04,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:37:04,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:37:04,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:37:04,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:37:04,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:37:04,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:37:04,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:37:04,346 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:37:04,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:37:04,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:37:04,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:37:04,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:37:04,350 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:37:04,351 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:37:04,351 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:37:04,351 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:37:04,352 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:37:04,352 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:37:04,352 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:37:04,352 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:37:04,353 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:37:04,353 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:37:04,353 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:37:04,354 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:37:04,354 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:37:04,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:37:04,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:37:04,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:37:04,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:37:04,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:37:04,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:37:04,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:37:04,356 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:37:04,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:37:04,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:37:04,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:37:04,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:37:04,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:37:04,358 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:37:04,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:37:04,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:37:04,359 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:37:04,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:37:04,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:37:04,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:37:04,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb28cc7575e168a1cfc976b73d33f741d269483737674360dc29ea051121d5b [2022-11-03 02:37:04,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:37:04,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:37:04,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:37:04,723 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:37:04,724 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:37:04,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d32_e0.c [2022-11-03 02:37:04,817 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/data/a70e68859/290711d588f743de81ae33e8725e82dd/FLAG99fe93c32 [2022-11-03 02:37:05,550 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:37:05,550 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d32_e0.c [2022-11-03 02:37:05,564 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/data/a70e68859/290711d588f743de81ae33e8725e82dd/FLAG99fe93c32 [2022-11-03 02:37:05,774 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/data/a70e68859/290711d588f743de81ae33e8725e82dd [2022-11-03 02:37:05,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:37:05,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:37:05,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:37:05,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:37:05,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:37:05,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:37:05" (1/1) ... [2022-11-03 02:37:05,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a21378e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:05, skipping insertion in model container [2022-11-03 02:37:05,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:37:05" (1/1) ... [2022-11-03 02:37:05,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:37:05,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:37:06,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d32_e0.c[1116,1129] [2022-11-03 02:37:06,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:37:06,488 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:37:06,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d32_e0.c[1116,1129] [2022-11-03 02:37:06,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:37:06,691 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:37:06,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:06 WrapperNode [2022-11-03 02:37:06,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:37:06,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:37:06,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:37:06,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:37:06,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:06" (1/1) ... [2022-11-03 02:37:06,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:06" (1/1) ... [2022-11-03 02:37:06,975 INFO L138 Inliner]: procedures = 11, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1864 [2022-11-03 02:37:06,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:37:06,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:37:06,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:37:06,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:37:06,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:06" (1/1) ... [2022-11-03 02:37:06,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:06" (1/1) ... [2022-11-03 02:37:07,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:06" (1/1) ... [2022-11-03 02:37:07,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:06" (1/1) ... [2022-11-03 02:37:07,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:06" (1/1) ... [2022-11-03 02:37:07,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:06" (1/1) ... [2022-11-03 02:37:07,125 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:06" (1/1) ... [2022-11-03 02:37:07,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:06" (1/1) ... [2022-11-03 02:37:07,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:37:07,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:37:07,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:37:07,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:37:07,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:06" (1/1) ... [2022-11-03 02:37:07,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:37:07,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:37:07,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:37:07,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:37:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:37:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:37:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:37:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:37:07,785 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:37:07,787 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:37:11,529 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:37:15,727 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:37:15,727 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:37:15,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:37:15 BoogieIcfgContainer [2022-11-03 02:37:15,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:37:15,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:37:15,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:37:15,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:37:15,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:37:05" (1/3) ... [2022-11-03 02:37:15,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565dff89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:37:15, skipping insertion in model container [2022-11-03 02:37:15,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:06" (2/3) ... [2022-11-03 02:37:15,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565dff89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:37:15, skipping insertion in model container [2022-11-03 02:37:15,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:37:15" (3/3) ... [2022-11-03 02:37:15,742 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w8_d32_e0.c [2022-11-03 02:37:15,765 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:37:15,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:37:15,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:37:15,847 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b9ffe33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:37:15,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:37:15,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:37:15,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 02:37:15,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:37:15,865 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:37:15,866 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:37:15,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:37:15,872 INFO L85 PathProgramCache]: Analyzing trace with hash -145835133, now seen corresponding path program 1 times [2022-11-03 02:37:15,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:37:15,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381791223] [2022-11-03 02:37:15,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:37:15,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:37:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:37:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 02:37:28,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:37:28,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381791223] [2022-11-03 02:37:28,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381791223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:37:28,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:37:28,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:37:28,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723096940] [2022-11-03 02:37:28,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:37:28,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:37:28,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:37:28,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:37:28,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:37:28,282 INFO L87 Difference]: Start difference. First operand has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:37:29,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:31,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:33,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:34,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:37:34,469 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2022-11-03 02:37:34,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:37:34,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2022-11-03 02:37:34,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:37:34,490 INFO L225 Difference]: With dead ends: 37 [2022-11-03 02:37:34,491 INFO L226 Difference]: Without dead ends: 23 [2022-11-03 02:37:34,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:37:34,497 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:37:34,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 30 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-11-03 02:37:34,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-03 02:37:34,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-03 02:37:34,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:37:34,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-03 02:37:34,549 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 16 [2022-11-03 02:37:34,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:37:34,551 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-03 02:37:34,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:37:34,552 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-03 02:37:34,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-03 02:37:34,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:37:34,555 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-03 02:37:34,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:37:34,556 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:37:34,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:37:34,557 INFO L85 PathProgramCache]: Analyzing trace with hash 224043513, now seen corresponding path program 1 times [2022-11-03 02:37:34,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:37:34,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342021714] [2022-11-03 02:37:34,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:37:34,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:41:26,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:45:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:45:02,538 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 02:45:02,539 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:45:02,540 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:45:02,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:45:02,546 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 02:45:02,549 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:45:02,760 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 02:45:02,761 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 02:45:02,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:45:02 BoogieIcfgContainer [2022-11-03 02:45:02,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:45:02,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:45:02,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:45:02,839 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:45:02,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:37:15" (3/4) ... [2022-11-03 02:45:02,843 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 02:45:02,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:45:02,845 INFO L158 Benchmark]: Toolchain (without parser) took 477065.31ms. Allocated memory was 100.7MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 77.2MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 395.7MB. Max. memory is 16.1GB. [2022-11-03 02:45:02,848 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:45:02,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 912.63ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 76.9MB in the beginning and 105.0MB in the end (delta: -28.1MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2022-11-03 02:45:02,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 282.49ms. Allocated memory is still 138.4MB. Free memory was 105.0MB in the beginning and 80.3MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-03 02:45:02,854 INFO L158 Benchmark]: Boogie Preprocessor took 209.06ms. Allocated memory is still 138.4MB. Free memory was 80.3MB in the beginning and 67.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 02:45:02,855 INFO L158 Benchmark]: RCFGBuilder took 8543.93ms. Allocated memory was 138.4MB in the beginning and 895.5MB in the end (delta: 757.1MB). Free memory was 67.9MB in the beginning and 653.4MB in the end (delta: -585.5MB). Peak memory consumption was 267.4MB. Max. memory is 16.1GB. [2022-11-03 02:45:02,855 INFO L158 Benchmark]: TraceAbstraction took 467104.99ms. Allocated memory was 895.5MB in the beginning and 2.1GB in the end (delta: 1.2GB). Free memory was 652.4MB in the beginning and 1.7GB in the end (delta: -1.1GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-03 02:45:02,856 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 2.1GB. Free memory is still 1.7GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:45:02,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 912.63ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 76.9MB in the beginning and 105.0MB in the end (delta: -28.1MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 282.49ms. Allocated memory is still 138.4MB. Free memory was 105.0MB in the beginning and 80.3MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 209.06ms. Allocated memory is still 138.4MB. Free memory was 80.3MB in the beginning and 67.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 8543.93ms. Allocated memory was 138.4MB in the beginning and 895.5MB in the end (delta: 757.1MB). Free memory was 67.9MB in the beginning and 653.4MB in the end (delta: -585.5MB). Peak memory consumption was 267.4MB. Max. memory is 16.1GB. * TraceAbstraction took 467104.99ms. Allocated memory was 895.5MB in the beginning and 2.1GB in the end (delta: 1.2GB). Free memory was 652.4MB in the beginning and 1.7GB in the end (delta: -1.1GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 2.1GB. Free memory is still 1.7GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 583, overapproximation of bitwiseComplement at line 208, overapproximation of bitwiseAnd at line 211. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L31] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 7); [L32] const SORT_11 msb_SORT_11 = (SORT_11)1 << (7 - 1); [L34] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 6); [L35] const SORT_13 msb_SORT_13 = (SORT_13)1 << (6 - 1); [L37] const SORT_19 mask_SORT_19 = (SORT_19)-1 >> (sizeof(SORT_19) * 8 - 5); [L38] const SORT_19 msb_SORT_19 = (SORT_19)1 << (5 - 1); [L40] const SORT_100 mask_SORT_100 = (SORT_100)-1 >> (sizeof(SORT_100) * 8 - 4); [L41] const SORT_100 msb_SORT_100 = (SORT_100)1 << (4 - 1); [L43] const SORT_141 mask_SORT_141 = (SORT_141)-1 >> (sizeof(SORT_141) * 8 - 3); [L44] const SORT_141 msb_SORT_141 = (SORT_141)1 << (3 - 1); [L46] const SORT_162 mask_SORT_162 = (SORT_162)-1 >> (sizeof(SORT_162) * 8 - 2); [L47] const SORT_162 msb_SORT_162 = (SORT_162)1 << (2 - 1); [L49] const SORT_13 var_15 = 32; [L50] const SORT_19 var_20 = 31; [L51] const SORT_19 var_25 = 30; [L52] const SORT_19 var_30 = 29; [L53] const SORT_19 var_35 = 28; [L54] const SORT_19 var_40 = 27; [L55] const SORT_19 var_45 = 26; [L56] const SORT_19 var_50 = 25; [L57] const SORT_19 var_55 = 24; [L58] const SORT_19 var_60 = 23; [L59] const SORT_19 var_65 = 22; [L60] const SORT_19 var_70 = 21; [L61] const SORT_19 var_75 = 20; [L62] const SORT_19 var_80 = 19; [L63] const SORT_19 var_85 = 18; [L64] const SORT_19 var_90 = 17; [L65] const SORT_19 var_95 = 16; [L66] const SORT_100 var_101 = 15; [L67] const SORT_100 var_106 = 14; [L68] const SORT_100 var_111 = 13; [L69] const SORT_100 var_116 = 12; [L70] const SORT_100 var_121 = 11; [L71] const SORT_100 var_126 = 10; [L72] const SORT_100 var_131 = 9; [L73] const SORT_100 var_136 = 8; [L74] const SORT_141 var_142 = 7; [L75] const SORT_141 var_147 = 6; [L76] const SORT_141 var_152 = 5; [L77] const SORT_141 var_157 = 4; [L78] const SORT_162 var_163 = 3; [L79] const SORT_162 var_168 = 2; [L80] const SORT_1 var_173 = 1; [L81] const SORT_13 var_186 = 33; [L82] const SORT_11 var_203 = 0; [L83] const SORT_1 var_233 = 0; [L84] const SORT_3 var_582 = 0; [L86] SORT_1 input_2; [L87] SORT_3 input_4; [L88] SORT_1 input_5; [L89] SORT_1 input_6; [L90] SORT_1 input_7; [L91] SORT_1 input_8; [L92] SORT_3 input_9; [L93] SORT_1 input_231; [L95] SORT_3 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L96] SORT_11 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L97] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L98] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L99] SORT_3 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L100] SORT_3 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L101] SORT_3 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L102] SORT_3 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L103] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L104] SORT_3 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L105] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L106] SORT_3 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L107] SORT_3 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L108] SORT_3 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L109] SORT_3 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L110] SORT_3 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L111] SORT_3 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L112] SORT_3 state_94 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L113] SORT_3 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L114] SORT_3 state_105 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L115] SORT_3 state_110 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L116] SORT_3 state_115 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L117] SORT_3 state_120 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L118] SORT_3 state_125 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L119] SORT_3 state_130 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L120] SORT_3 state_135 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L121] SORT_3 state_140 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L122] SORT_3 state_146 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L123] SORT_3 state_151 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L124] SORT_3 state_156 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L125] SORT_3 state_161 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L126] SORT_3 state_167 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L127] SORT_3 state_172 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L128] SORT_3 state_177 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L129] SORT_11 state_182 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L130] SORT_1 state_190 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] SORT_1 state_191 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] SORT_11 state_194 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L133] SORT_3 state_209 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L134] SORT_1 state_213 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] SORT_11 state_282 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L137] SORT_1 init_214_arg_1 = var_173; [L138] state_213 = init_214_arg_1 VAL [init_214_arg_1=1, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=255, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=128, state_10=0, state_105=0, state_110=1, state_115=0, state_12=255, state_120=0, state_125=0, state_130=1, state_135=0, state_140=0, state_146=0, state_151=51, state_156=0, state_161=53, state_167=0, state_172=0, state_177=0, state_18=0, state_182=1, state_190=0, state_191=1, state_194=1, state_209=0, state_213=1, state_24=0, state_282=254, state_29=0, state_34=0, state_39=1, state_44=54, state_49=0, state_54=0, state_59=0, state_64=2, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=49, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_20=31, var_203=0, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L141] input_2 = __VERIFIER_nondet_uchar() [L142] input_4 = __VERIFIER_nondet_uchar() [L143] input_5 = __VERIFIER_nondet_uchar() [L144] input_6 = __VERIFIER_nondet_uchar() [L145] input_7 = __VERIFIER_nondet_uchar() [L146] input_7 = input_7 & mask_SORT_1 [L147] input_8 = __VERIFIER_nondet_uchar() [L148] input_9 = __VERIFIER_nondet_uchar() [L149] input_231 = __VERIFIER_nondet_uchar() [L151] SORT_1 var_215_arg_0 = input_7; [L152] SORT_1 var_215_arg_1 = state_213; [L153] SORT_1 var_215 = var_215_arg_0 == var_215_arg_1; [L154] SORT_1 var_216_arg_0 = var_173; [L155] SORT_1 var_216 = ~var_216_arg_0; [L156] SORT_1 var_217_arg_0 = var_215; [L157] SORT_1 var_217_arg_1 = var_216; [L158] SORT_1 var_217 = var_217_arg_0 | var_217_arg_1; [L159] var_217 = var_217 & mask_SORT_1 [L160] SORT_1 constr_218_arg_0 = var_217; VAL [constr_218_arg_0=1, init_214_arg_1=1, input_2=2, input_231=1, input_4=0, input_5=1, input_6=0, input_7=1, input_8=2, input_9=255, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=255, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=128, state_10=0, state_105=0, state_110=1, state_115=0, state_12=255, state_120=0, state_125=0, state_130=1, state_135=0, state_140=0, state_146=0, state_151=51, state_156=0, state_161=53, state_167=0, state_172=0, state_177=0, state_18=0, state_182=1, state_190=0, state_191=1, state_194=1, state_209=0, state_213=1, state_24=0, state_282=254, state_29=0, state_34=0, state_39=1, state_44=54, state_49=0, state_54=0, state_59=0, state_64=2, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=49, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_20=31, var_203=0, var_215=1, var_215_arg_0=1, var_215_arg_1=1, var_216=2, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=2, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L161] CALL assume_abort_if_not(constr_218_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L161] RET assume_abort_if_not(constr_218_arg_0) VAL [constr_218_arg_0=1, init_214_arg_1=1, input_2=2, input_231=1, input_4=0, input_5=1, input_6=0, input_7=1, input_8=2, input_9=255, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=255, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=128, state_10=0, state_105=0, state_110=1, state_115=0, state_12=255, state_120=0, state_125=0, state_130=1, state_135=0, state_140=0, state_146=0, state_151=51, state_156=0, state_161=53, state_167=0, state_172=0, state_177=0, state_18=0, state_182=1, state_190=0, state_191=1, state_194=1, state_209=0, state_213=1, state_24=0, state_282=254, state_29=0, state_34=0, state_39=1, state_44=54, state_49=0, state_54=0, state_59=0, state_64=2, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=49, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_20=31, var_203=0, var_215=1, var_215_arg_0=1, var_215_arg_1=1, var_216=2, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=2, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L162] SORT_13 var_187_arg_0 = var_186; [L163] var_187_arg_0 = var_187_arg_0 & mask_SORT_13 [L164] SORT_11 var_187 = var_187_arg_0; [L165] SORT_11 var_188_arg_0 = state_182; [L166] SORT_11 var_188_arg_1 = var_187; [L167] SORT_1 var_188 = var_188_arg_0 == var_188_arg_1; [L168] SORT_1 var_219_arg_0 = var_188; [L169] SORT_1 var_219 = ~var_219_arg_0; [L170] SORT_1 var_220_arg_0 = input_6; [L171] SORT_1 var_220 = ~var_220_arg_0; [L172] SORT_1 var_221_arg_0 = var_219; [L173] SORT_1 var_221_arg_1 = var_220; [L174] SORT_1 var_221 = var_221_arg_0 | var_221_arg_1; [L175] SORT_1 var_222_arg_0 = var_173; [L176] SORT_1 var_222 = ~var_222_arg_0; [L177] SORT_1 var_223_arg_0 = var_221; [L178] SORT_1 var_223_arg_1 = var_222; [L179] SORT_1 var_223 = var_223_arg_0 | var_223_arg_1; [L180] var_223 = var_223 & mask_SORT_1 [L181] SORT_1 constr_224_arg_0 = var_223; VAL [constr_218_arg_0=1, constr_224_arg_0=1, init_214_arg_1=1, input_2=2, input_231=1, input_4=0, input_5=1, input_6=0, input_7=1, input_8=2, input_9=255, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=255, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=128, state_10=0, state_105=0, state_110=1, state_115=0, state_12=255, state_120=0, state_125=0, state_130=1, state_135=0, state_140=0, state_146=0, state_151=51, state_156=0, state_161=53, state_167=0, state_172=0, state_177=0, state_18=0, state_182=1, state_190=0, state_191=1, state_194=1, state_209=0, state_213=1, state_24=0, state_282=254, state_29=0, state_34=0, state_39=1, state_44=54, state_49=0, state_54=0, state_59=0, state_64=2, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=49, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_187=33, var_187_arg_0=33, var_188=0, var_188_arg_0=1, var_188_arg_1=33, var_20=31, var_203=0, var_215=1, var_215_arg_0=1, var_215_arg_1=1, var_216=2, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=2, var_219=0, var_219_arg_0=0, var_220=0, var_220_arg_0=0, var_221=0, var_221_arg_0=0, var_221_arg_1=0, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L182] CALL assume_abort_if_not(constr_224_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L182] RET assume_abort_if_not(constr_224_arg_0) VAL [constr_218_arg_0=1, constr_224_arg_0=1, init_214_arg_1=1, input_2=2, input_231=1, input_4=0, input_5=1, input_6=0, input_7=1, input_8=2, input_9=255, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=255, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=128, state_10=0, state_105=0, state_110=1, state_115=0, state_12=255, state_120=0, state_125=0, state_130=1, state_135=0, state_140=0, state_146=0, state_151=51, state_156=0, state_161=53, state_167=0, state_172=0, state_177=0, state_18=0, state_182=1, state_190=0, state_191=1, state_194=1, state_209=0, state_213=1, state_24=0, state_282=254, state_29=0, state_34=0, state_39=1, state_44=54, state_49=0, state_54=0, state_59=0, state_64=2, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=49, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_187=33, var_187_arg_0=33, var_188=0, var_188_arg_0=1, var_188_arg_1=33, var_20=31, var_203=0, var_215=1, var_215_arg_0=1, var_215_arg_1=1, var_216=2, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=2, var_219=0, var_219_arg_0=0, var_220=0, var_220_arg_0=0, var_221=0, var_221_arg_0=0, var_221_arg_1=0, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L183] SORT_11 var_183_arg_0 = state_182; [L184] SORT_1 var_183 = var_183_arg_0 != 0; [L185] SORT_1 var_184_arg_0 = var_183; [L186] SORT_1 var_184 = ~var_184_arg_0; [L187] SORT_1 var_225_arg_0 = var_184; [L188] SORT_1 var_225 = ~var_225_arg_0; [L189] SORT_1 var_226_arg_0 = input_5; [L190] SORT_1 var_226 = ~var_226_arg_0; [L191] SORT_1 var_227_arg_0 = var_225; [L192] SORT_1 var_227_arg_1 = var_226; [L193] SORT_1 var_227 = var_227_arg_0 | var_227_arg_1; [L194] SORT_1 var_228_arg_0 = var_173; [L195] SORT_1 var_228 = ~var_228_arg_0; [L196] SORT_1 var_229_arg_0 = var_227; [L197] SORT_1 var_229_arg_1 = var_228; [L198] SORT_1 var_229 = var_229_arg_0 | var_229_arg_1; [L199] var_229 = var_229 & mask_SORT_1 [L200] SORT_1 constr_230_arg_0 = var_229; VAL [constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=2, input_231=1, input_4=0, input_5=1, input_6=0, input_7=1, input_8=2, input_9=255, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=255, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=128, state_10=0, state_105=0, state_110=1, state_115=0, state_12=255, state_120=0, state_125=0, state_130=1, state_135=0, state_140=0, state_146=0, state_151=51, state_156=0, state_161=53, state_167=0, state_172=0, state_177=0, state_18=0, state_182=1, state_190=0, state_191=1, state_194=1, state_209=0, state_213=1, state_24=0, state_282=254, state_29=0, state_34=0, state_39=1, state_44=54, state_49=0, state_54=0, state_59=0, state_64=2, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=49, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_183=1, var_183_arg_0=1, var_184=4, var_184_arg_0=1, var_186=33, var_187=33, var_187_arg_0=33, var_188=0, var_188_arg_0=1, var_188_arg_1=33, var_20=31, var_203=0, var_215=1, var_215_arg_0=1, var_215_arg_1=1, var_216=2, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=2, var_219=0, var_219_arg_0=0, var_220=0, var_220_arg_0=0, var_221=0, var_221_arg_0=0, var_221_arg_1=0, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_225=64, var_225_arg_0=4, var_226=41, var_226_arg_0=1, var_227=1, var_227_arg_0=64, var_227_arg_1=41, var_228=1, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=1, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L201] CALL assume_abort_if_not(constr_230_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L201] RET assume_abort_if_not(constr_230_arg_0) VAL [constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=2, input_231=1, input_4=0, input_5=1, input_6=0, input_7=1, input_8=2, input_9=255, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=255, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=128, state_10=0, state_105=0, state_110=1, state_115=0, state_12=255, state_120=0, state_125=0, state_130=1, state_135=0, state_140=0, state_146=0, state_151=51, state_156=0, state_161=53, state_167=0, state_172=0, state_177=0, state_18=0, state_182=1, state_190=0, state_191=1, state_194=1, state_209=0, state_213=1, state_24=0, state_282=254, state_29=0, state_34=0, state_39=1, state_44=54, state_49=0, state_54=0, state_59=0, state_64=2, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=49, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_183=1, var_183_arg_0=1, var_184=4, var_184_arg_0=1, var_186=33, var_187=33, var_187_arg_0=33, var_188=0, var_188_arg_0=1, var_188_arg_1=33, var_20=31, var_203=0, var_215=1, var_215_arg_0=1, var_215_arg_1=1, var_216=2, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=2, var_219=0, var_219_arg_0=0, var_220=0, var_220_arg_0=0, var_221=0, var_221_arg_0=0, var_221_arg_1=0, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_225=64, var_225_arg_0=4, var_226=41, var_226_arg_0=1, var_227=1, var_227_arg_0=64, var_227_arg_1=41, var_228=1, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=1, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L203] SORT_1 var_234_arg_0 = state_213; [L204] SORT_1 var_234_arg_1 = var_233; [L205] SORT_1 var_234_arg_2 = var_173; [L206] EXPR var_234_arg_0 ? var_234_arg_1 : var_234_arg_2 [L206] SORT_1 var_234 = var_234_arg_0 ? var_234_arg_1 : var_234_arg_2; [L207] SORT_1 var_192_arg_0 = state_191; [L208] SORT_1 var_192 = ~var_192_arg_0; [L209] SORT_1 var_193_arg_0 = state_190; [L210] SORT_1 var_193_arg_1 = var_192; [L211] SORT_1 var_193 = var_193_arg_0 & var_193_arg_1; [L212] SORT_11 var_195_arg_0 = state_194; [L213] SORT_1 var_195 = var_195_arg_0 != 0; [L214] SORT_1 var_196_arg_0 = var_193; [L215] SORT_1 var_196_arg_1 = var_195; [L216] SORT_1 var_196 = var_196_arg_0 & var_196_arg_1; [L217] SORT_1 var_197_arg_0 = state_190; [L218] SORT_1 var_197 = ~var_197_arg_0; [L219] SORT_1 var_198_arg_0 = input_6; [L220] SORT_1 var_198_arg_1 = var_197; [L221] SORT_1 var_198 = var_198_arg_0 & var_198_arg_1; [L222] SORT_1 var_199_arg_0 = var_198; [L223] var_199_arg_0 = var_199_arg_0 & mask_SORT_1 [L224] SORT_11 var_199 = var_199_arg_0; [L225] SORT_11 var_200_arg_0 = state_194; [L226] SORT_11 var_200_arg_1 = var_199; [L227] SORT_11 var_200 = var_200_arg_0 + var_200_arg_1; [L228] SORT_1 var_201_arg_0 = input_5; [L229] var_201_arg_0 = var_201_arg_0 & mask_SORT_1 [L230] SORT_11 var_201 = var_201_arg_0; [L231] SORT_11 var_202_arg_0 = var_200; [L232] SORT_11 var_202_arg_1 = var_201; [L233] SORT_11 var_202 = var_202_arg_0 - var_202_arg_1; [L234] SORT_1 var_204_arg_0 = input_7; [L235] SORT_11 var_204_arg_1 = var_203; [L236] SORT_11 var_204_arg_2 = var_202; [L237] EXPR var_204_arg_0 ? var_204_arg_1 : var_204_arg_2 [L237] SORT_11 var_204 = var_204_arg_0 ? var_204_arg_1 : var_204_arg_2; [L238] var_204 = var_204 & mask_SORT_11 [L239] SORT_11 var_205_arg_0 = var_204; [L240] SORT_1 var_205 = var_205_arg_0 != 0; [L241] SORT_1 var_206_arg_0 = var_205; [L242] SORT_1 var_206 = ~var_206_arg_0; [L243] SORT_1 var_207_arg_0 = var_196; [L244] SORT_1 var_207_arg_1 = var_206; [L245] SORT_1 var_207 = var_207_arg_0 & var_207_arg_1; [L246] SORT_1 var_208_arg_0 = var_207; [L247] SORT_1 var_208 = ~var_208_arg_0; [L248] SORT_11 var_14_arg_0 = state_12; [L249] SORT_13 var_14 = var_14_arg_0 >> 0; [L250] var_14 = var_14 & mask_SORT_13 [L251] SORT_13 var_178_arg_0 = var_14; [L252] SORT_1 var_178 = var_178_arg_0 != 0; [L253] SORT_1 var_179_arg_0 = var_178; [L254] SORT_1 var_179 = ~var_179_arg_0; [L255] var_179 = var_179 & mask_SORT_1 [L256] SORT_1 var_174_arg_0 = var_173; [L257] var_174_arg_0 = var_174_arg_0 & mask_SORT_1 [L258] SORT_13 var_174 = var_174_arg_0; [L259] SORT_13 var_175_arg_0 = var_14; [L260] SORT_13 var_175_arg_1 = var_174; [L261] SORT_1 var_175 = var_175_arg_0 == var_175_arg_1; [L262] SORT_162 var_169_arg_0 = var_168; [L263] var_169_arg_0 = var_169_arg_0 & mask_SORT_162 [L264] SORT_13 var_169 = var_169_arg_0; [L265] SORT_13 var_170_arg_0 = var_14; [L266] SORT_13 var_170_arg_1 = var_169; [L267] SORT_1 var_170 = var_170_arg_0 == var_170_arg_1; [L268] SORT_162 var_164_arg_0 = var_163; [L269] var_164_arg_0 = var_164_arg_0 & mask_SORT_162 [L270] SORT_13 var_164 = var_164_arg_0; [L271] SORT_13 var_165_arg_0 = var_14; [L272] SORT_13 var_165_arg_1 = var_164; [L273] SORT_1 var_165 = var_165_arg_0 == var_165_arg_1; [L274] SORT_141 var_158_arg_0 = var_157; [L275] var_158_arg_0 = var_158_arg_0 & mask_SORT_141 [L276] SORT_13 var_158 = var_158_arg_0; [L277] SORT_13 var_159_arg_0 = var_14; [L278] SORT_13 var_159_arg_1 = var_158; [L279] SORT_1 var_159 = var_159_arg_0 == var_159_arg_1; [L280] SORT_141 var_153_arg_0 = var_152; [L281] var_153_arg_0 = var_153_arg_0 & mask_SORT_141 [L282] SORT_13 var_153 = var_153_arg_0; [L283] SORT_13 var_154_arg_0 = var_14; [L284] SORT_13 var_154_arg_1 = var_153; [L285] SORT_1 var_154 = var_154_arg_0 == var_154_arg_1; [L286] SORT_141 var_148_arg_0 = var_147; [L287] var_148_arg_0 = var_148_arg_0 & mask_SORT_141 [L288] SORT_13 var_148 = var_148_arg_0; [L289] SORT_13 var_149_arg_0 = var_14; [L290] SORT_13 var_149_arg_1 = var_148; [L291] SORT_1 var_149 = var_149_arg_0 == var_149_arg_1; [L292] SORT_141 var_143_arg_0 = var_142; [L293] var_143_arg_0 = var_143_arg_0 & mask_SORT_141 [L294] SORT_13 var_143 = var_143_arg_0; [L295] SORT_13 var_144_arg_0 = var_14; [L296] SORT_13 var_144_arg_1 = var_143; [L297] SORT_1 var_144 = var_144_arg_0 == var_144_arg_1; [L298] SORT_100 var_137_arg_0 = var_136; [L299] var_137_arg_0 = var_137_arg_0 & mask_SORT_100 [L300] SORT_13 var_137 = var_137_arg_0; [L301] SORT_13 var_138_arg_0 = var_14; [L302] SORT_13 var_138_arg_1 = var_137; [L303] SORT_1 var_138 = var_138_arg_0 == var_138_arg_1; [L304] SORT_100 var_132_arg_0 = var_131; [L305] var_132_arg_0 = var_132_arg_0 & mask_SORT_100 [L306] SORT_13 var_132 = var_132_arg_0; [L307] SORT_13 var_133_arg_0 = var_14; [L308] SORT_13 var_133_arg_1 = var_132; [L309] SORT_1 var_133 = var_133_arg_0 == var_133_arg_1; [L310] SORT_100 var_127_arg_0 = var_126; [L311] var_127_arg_0 = var_127_arg_0 & mask_SORT_100 [L312] SORT_13 var_127 = var_127_arg_0; [L313] SORT_13 var_128_arg_0 = var_14; [L314] SORT_13 var_128_arg_1 = var_127; [L315] SORT_1 var_128 = var_128_arg_0 == var_128_arg_1; [L316] SORT_100 var_122_arg_0 = var_121; [L317] var_122_arg_0 = var_122_arg_0 & mask_SORT_100 [L318] SORT_13 var_122 = var_122_arg_0; [L319] SORT_13 var_123_arg_0 = var_14; [L320] SORT_13 var_123_arg_1 = var_122; [L321] SORT_1 var_123 = var_123_arg_0 == var_123_arg_1; [L322] SORT_100 var_117_arg_0 = var_116; [L323] var_117_arg_0 = var_117_arg_0 & mask_SORT_100 [L324] SORT_13 var_117 = var_117_arg_0; [L325] SORT_13 var_118_arg_0 = var_14; [L326] SORT_13 var_118_arg_1 = var_117; [L327] SORT_1 var_118 = var_118_arg_0 == var_118_arg_1; [L328] SORT_100 var_112_arg_0 = var_111; [L329] var_112_arg_0 = var_112_arg_0 & mask_SORT_100 [L330] SORT_13 var_112 = var_112_arg_0; [L331] SORT_13 var_113_arg_0 = var_14; [L332] SORT_13 var_113_arg_1 = var_112; [L333] SORT_1 var_113 = var_113_arg_0 == var_113_arg_1; [L334] SORT_100 var_107_arg_0 = var_106; [L335] var_107_arg_0 = var_107_arg_0 & mask_SORT_100 [L336] SORT_13 var_107 = var_107_arg_0; [L337] SORT_13 var_108_arg_0 = var_14; [L338] SORT_13 var_108_arg_1 = var_107; [L339] SORT_1 var_108 = var_108_arg_0 == var_108_arg_1; [L340] SORT_100 var_102_arg_0 = var_101; [L341] var_102_arg_0 = var_102_arg_0 & mask_SORT_100 [L342] SORT_13 var_102 = var_102_arg_0; [L343] SORT_13 var_103_arg_0 = var_14; [L344] SORT_13 var_103_arg_1 = var_102; [L345] SORT_1 var_103 = var_103_arg_0 == var_103_arg_1; [L346] SORT_19 var_96_arg_0 = var_95; [L347] var_96_arg_0 = var_96_arg_0 & mask_SORT_19 [L348] SORT_13 var_96 = var_96_arg_0; [L349] SORT_13 var_97_arg_0 = var_14; [L350] SORT_13 var_97_arg_1 = var_96; [L351] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L352] SORT_19 var_91_arg_0 = var_90; [L353] var_91_arg_0 = var_91_arg_0 & mask_SORT_19 [L354] SORT_13 var_91 = var_91_arg_0; [L355] SORT_13 var_92_arg_0 = var_14; [L356] SORT_13 var_92_arg_1 = var_91; [L357] SORT_1 var_92 = var_92_arg_0 == var_92_arg_1; [L358] SORT_19 var_86_arg_0 = var_85; [L359] var_86_arg_0 = var_86_arg_0 & mask_SORT_19 [L360] SORT_13 var_86 = var_86_arg_0; [L361] SORT_13 var_87_arg_0 = var_14; [L362] SORT_13 var_87_arg_1 = var_86; [L363] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L364] SORT_19 var_81_arg_0 = var_80; [L365] var_81_arg_0 = var_81_arg_0 & mask_SORT_19 [L366] SORT_13 var_81 = var_81_arg_0; [L367] SORT_13 var_82_arg_0 = var_14; [L368] SORT_13 var_82_arg_1 = var_81; [L369] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L370] SORT_19 var_76_arg_0 = var_75; [L371] var_76_arg_0 = var_76_arg_0 & mask_SORT_19 [L372] SORT_13 var_76 = var_76_arg_0; [L373] SORT_13 var_77_arg_0 = var_14; [L374] SORT_13 var_77_arg_1 = var_76; [L375] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L376] SORT_19 var_71_arg_0 = var_70; [L377] var_71_arg_0 = var_71_arg_0 & mask_SORT_19 [L378] SORT_13 var_71 = var_71_arg_0; [L379] SORT_13 var_72_arg_0 = var_14; [L380] SORT_13 var_72_arg_1 = var_71; [L381] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L382] SORT_19 var_66_arg_0 = var_65; [L383] var_66_arg_0 = var_66_arg_0 & mask_SORT_19 [L384] SORT_13 var_66 = var_66_arg_0; [L385] SORT_13 var_67_arg_0 = var_14; [L386] SORT_13 var_67_arg_1 = var_66; [L387] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L388] SORT_19 var_61_arg_0 = var_60; [L389] var_61_arg_0 = var_61_arg_0 & mask_SORT_19 [L390] SORT_13 var_61 = var_61_arg_0; [L391] SORT_13 var_62_arg_0 = var_14; [L392] SORT_13 var_62_arg_1 = var_61; [L393] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L394] SORT_19 var_56_arg_0 = var_55; [L395] var_56_arg_0 = var_56_arg_0 & mask_SORT_19 [L396] SORT_13 var_56 = var_56_arg_0; [L397] SORT_13 var_57_arg_0 = var_14; [L398] SORT_13 var_57_arg_1 = var_56; [L399] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L400] SORT_19 var_51_arg_0 = var_50; [L401] var_51_arg_0 = var_51_arg_0 & mask_SORT_19 [L402] SORT_13 var_51 = var_51_arg_0; [L403] SORT_13 var_52_arg_0 = var_14; [L404] SORT_13 var_52_arg_1 = var_51; [L405] SORT_1 var_52 = var_52_arg_0 == var_52_arg_1; [L406] SORT_19 var_46_arg_0 = var_45; [L407] var_46_arg_0 = var_46_arg_0 & mask_SORT_19 [L408] SORT_13 var_46 = var_46_arg_0; [L409] SORT_13 var_47_arg_0 = var_14; [L410] SORT_13 var_47_arg_1 = var_46; [L411] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L412] SORT_19 var_41_arg_0 = var_40; [L413] var_41_arg_0 = var_41_arg_0 & mask_SORT_19 [L414] SORT_13 var_41 = var_41_arg_0; [L415] SORT_13 var_42_arg_0 = var_14; [L416] SORT_13 var_42_arg_1 = var_41; [L417] SORT_1 var_42 = var_42_arg_0 == var_42_arg_1; [L418] SORT_19 var_36_arg_0 = var_35; [L419] var_36_arg_0 = var_36_arg_0 & mask_SORT_19 [L420] SORT_13 var_36 = var_36_arg_0; [L421] SORT_13 var_37_arg_0 = var_14; [L422] SORT_13 var_37_arg_1 = var_36; [L423] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L424] SORT_19 var_31_arg_0 = var_30; [L425] var_31_arg_0 = var_31_arg_0 & mask_SORT_19 [L426] SORT_13 var_31 = var_31_arg_0; [L427] SORT_13 var_32_arg_0 = var_14; [L428] SORT_13 var_32_arg_1 = var_31; [L429] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L430] SORT_19 var_26_arg_0 = var_25; [L431] var_26_arg_0 = var_26_arg_0 & mask_SORT_19 [L432] SORT_13 var_26 = var_26_arg_0; [L433] SORT_13 var_27_arg_0 = var_14; [L434] SORT_13 var_27_arg_1 = var_26; [L435] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L436] SORT_19 var_21_arg_0 = var_20; [L437] var_21_arg_0 = var_21_arg_0 & mask_SORT_19 [L438] SORT_13 var_21 = var_21_arg_0; [L439] SORT_13 var_22_arg_0 = var_14; [L440] SORT_13 var_22_arg_1 = var_21; [L441] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L442] SORT_13 var_16_arg_0 = var_14; [L443] SORT_13 var_16_arg_1 = var_15; [L444] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L445] SORT_1 var_17_arg_0 = var_16; [L446] SORT_3 var_17_arg_1 = state_10; [L447] SORT_3 var_17_arg_2 = input_9; [L448] EXPR var_17_arg_0 ? var_17_arg_1 : var_17_arg_2 [L448] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L449] SORT_1 var_23_arg_0 = var_22; [L450] SORT_3 var_23_arg_1 = state_18; [L451] SORT_3 var_23_arg_2 = var_17; [L452] EXPR var_23_arg_0 ? var_23_arg_1 : var_23_arg_2 [L452] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L453] SORT_1 var_28_arg_0 = var_27; [L454] SORT_3 var_28_arg_1 = state_24; [L455] SORT_3 var_28_arg_2 = var_23; [L456] EXPR var_28_arg_0 ? var_28_arg_1 : var_28_arg_2 [L456] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L457] SORT_1 var_33_arg_0 = var_32; [L458] SORT_3 var_33_arg_1 = state_29; [L459] SORT_3 var_33_arg_2 = var_28; [L460] EXPR var_33_arg_0 ? var_33_arg_1 : var_33_arg_2 [L460] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L461] SORT_1 var_38_arg_0 = var_37; [L462] SORT_3 var_38_arg_1 = state_34; [L463] SORT_3 var_38_arg_2 = var_33; [L464] EXPR var_38_arg_0 ? var_38_arg_1 : var_38_arg_2 [L464] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L465] SORT_1 var_43_arg_0 = var_42; [L466] SORT_3 var_43_arg_1 = state_39; [L467] SORT_3 var_43_arg_2 = var_38; [L468] EXPR var_43_arg_0 ? var_43_arg_1 : var_43_arg_2 [L468] SORT_3 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L469] SORT_1 var_48_arg_0 = var_47; [L470] SORT_3 var_48_arg_1 = state_44; [L471] SORT_3 var_48_arg_2 = var_43; [L472] EXPR var_48_arg_0 ? var_48_arg_1 : var_48_arg_2 [L472] SORT_3 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L473] SORT_1 var_53_arg_0 = var_52; [L474] SORT_3 var_53_arg_1 = state_49; [L475] SORT_3 var_53_arg_2 = var_48; [L476] EXPR var_53_arg_0 ? var_53_arg_1 : var_53_arg_2 [L476] SORT_3 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L477] SORT_1 var_58_arg_0 = var_57; [L478] SORT_3 var_58_arg_1 = state_54; [L479] SORT_3 var_58_arg_2 = var_53; [L480] EXPR var_58_arg_0 ? var_58_arg_1 : var_58_arg_2 [L480] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L481] SORT_1 var_63_arg_0 = var_62; [L482] SORT_3 var_63_arg_1 = state_59; [L483] SORT_3 var_63_arg_2 = var_58; [L484] EXPR var_63_arg_0 ? var_63_arg_1 : var_63_arg_2 [L484] SORT_3 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L485] SORT_1 var_68_arg_0 = var_67; [L486] SORT_3 var_68_arg_1 = state_64; [L487] SORT_3 var_68_arg_2 = var_63; [L488] EXPR var_68_arg_0 ? var_68_arg_1 : var_68_arg_2 [L488] SORT_3 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L489] SORT_1 var_73_arg_0 = var_72; [L490] SORT_3 var_73_arg_1 = state_69; [L491] SORT_3 var_73_arg_2 = var_68; [L492] EXPR var_73_arg_0 ? var_73_arg_1 : var_73_arg_2 [L492] SORT_3 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L493] SORT_1 var_78_arg_0 = var_77; [L494] SORT_3 var_78_arg_1 = state_74; [L495] SORT_3 var_78_arg_2 = var_73; [L496] EXPR var_78_arg_0 ? var_78_arg_1 : var_78_arg_2 [L496] SORT_3 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L497] SORT_1 var_83_arg_0 = var_82; [L498] SORT_3 var_83_arg_1 = state_79; [L499] SORT_3 var_83_arg_2 = var_78; [L500] EXPR var_83_arg_0 ? var_83_arg_1 : var_83_arg_2 [L500] SORT_3 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L501] SORT_1 var_88_arg_0 = var_87; [L502] SORT_3 var_88_arg_1 = state_84; [L503] SORT_3 var_88_arg_2 = var_83; [L504] EXPR var_88_arg_0 ? var_88_arg_1 : var_88_arg_2 [L504] SORT_3 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L505] SORT_1 var_93_arg_0 = var_92; [L506] SORT_3 var_93_arg_1 = state_89; [L507] SORT_3 var_93_arg_2 = var_88; [L508] EXPR var_93_arg_0 ? var_93_arg_1 : var_93_arg_2 [L508] SORT_3 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L509] SORT_1 var_98_arg_0 = var_97; [L510] SORT_3 var_98_arg_1 = state_94; [L511] SORT_3 var_98_arg_2 = var_93; [L512] EXPR var_98_arg_0 ? var_98_arg_1 : var_98_arg_2 [L512] SORT_3 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L513] SORT_1 var_104_arg_0 = var_103; [L514] SORT_3 var_104_arg_1 = state_99; [L515] SORT_3 var_104_arg_2 = var_98; [L516] EXPR var_104_arg_0 ? var_104_arg_1 : var_104_arg_2 [L516] SORT_3 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L517] SORT_1 var_109_arg_0 = var_108; [L518] SORT_3 var_109_arg_1 = state_105; [L519] SORT_3 var_109_arg_2 = var_104; [L520] EXPR var_109_arg_0 ? var_109_arg_1 : var_109_arg_2 [L520] SORT_3 var_109 = var_109_arg_0 ? var_109_arg_1 : var_109_arg_2; [L521] SORT_1 var_114_arg_0 = var_113; [L522] SORT_3 var_114_arg_1 = state_110; [L523] SORT_3 var_114_arg_2 = var_109; [L524] EXPR var_114_arg_0 ? var_114_arg_1 : var_114_arg_2 [L524] SORT_3 var_114 = var_114_arg_0 ? var_114_arg_1 : var_114_arg_2; [L525] SORT_1 var_119_arg_0 = var_118; [L526] SORT_3 var_119_arg_1 = state_115; [L527] SORT_3 var_119_arg_2 = var_114; [L528] EXPR var_119_arg_0 ? var_119_arg_1 : var_119_arg_2 [L528] SORT_3 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L529] SORT_1 var_124_arg_0 = var_123; [L530] SORT_3 var_124_arg_1 = state_120; [L531] SORT_3 var_124_arg_2 = var_119; [L532] EXPR var_124_arg_0 ? var_124_arg_1 : var_124_arg_2 [L532] SORT_3 var_124 = var_124_arg_0 ? var_124_arg_1 : var_124_arg_2; [L533] SORT_1 var_129_arg_0 = var_128; [L534] SORT_3 var_129_arg_1 = state_125; [L535] SORT_3 var_129_arg_2 = var_124; [L536] EXPR var_129_arg_0 ? var_129_arg_1 : var_129_arg_2 [L536] SORT_3 var_129 = var_129_arg_0 ? var_129_arg_1 : var_129_arg_2; [L537] SORT_1 var_134_arg_0 = var_133; [L538] SORT_3 var_134_arg_1 = state_130; [L539] SORT_3 var_134_arg_2 = var_129; [L540] EXPR var_134_arg_0 ? var_134_arg_1 : var_134_arg_2 [L540] SORT_3 var_134 = var_134_arg_0 ? var_134_arg_1 : var_134_arg_2; [L541] SORT_1 var_139_arg_0 = var_138; [L542] SORT_3 var_139_arg_1 = state_135; [L543] SORT_3 var_139_arg_2 = var_134; [L544] EXPR var_139_arg_0 ? var_139_arg_1 : var_139_arg_2 [L544] SORT_3 var_139 = var_139_arg_0 ? var_139_arg_1 : var_139_arg_2; [L545] SORT_1 var_145_arg_0 = var_144; [L546] SORT_3 var_145_arg_1 = state_140; [L547] SORT_3 var_145_arg_2 = var_139; [L548] EXPR var_145_arg_0 ? var_145_arg_1 : var_145_arg_2 [L548] SORT_3 var_145 = var_145_arg_0 ? var_145_arg_1 : var_145_arg_2; [L549] SORT_1 var_150_arg_0 = var_149; [L550] SORT_3 var_150_arg_1 = state_146; [L551] SORT_3 var_150_arg_2 = var_145; [L552] EXPR var_150_arg_0 ? var_150_arg_1 : var_150_arg_2 [L552] SORT_3 var_150 = var_150_arg_0 ? var_150_arg_1 : var_150_arg_2; [L553] SORT_1 var_155_arg_0 = var_154; [L554] SORT_3 var_155_arg_1 = state_151; [L555] SORT_3 var_155_arg_2 = var_150; [L556] EXPR var_155_arg_0 ? var_155_arg_1 : var_155_arg_2 [L556] SORT_3 var_155 = var_155_arg_0 ? var_155_arg_1 : var_155_arg_2; [L557] SORT_1 var_160_arg_0 = var_159; [L558] SORT_3 var_160_arg_1 = state_156; [L559] SORT_3 var_160_arg_2 = var_155; [L560] EXPR var_160_arg_0 ? var_160_arg_1 : var_160_arg_2 [L560] SORT_3 var_160 = var_160_arg_0 ? var_160_arg_1 : var_160_arg_2; [L561] SORT_1 var_166_arg_0 = var_165; [L562] SORT_3 var_166_arg_1 = state_161; [L563] SORT_3 var_166_arg_2 = var_160; [L564] EXPR var_166_arg_0 ? var_166_arg_1 : var_166_arg_2 [L564] SORT_3 var_166 = var_166_arg_0 ? var_166_arg_1 : var_166_arg_2; [L565] SORT_1 var_171_arg_0 = var_170; [L566] SORT_3 var_171_arg_1 = state_167; [L567] SORT_3 var_171_arg_2 = var_166; [L568] EXPR var_171_arg_0 ? var_171_arg_1 : var_171_arg_2 [L568] SORT_3 var_171 = var_171_arg_0 ? var_171_arg_1 : var_171_arg_2; [L569] SORT_1 var_176_arg_0 = var_175; [L570] SORT_3 var_176_arg_1 = state_172; [L571] SORT_3 var_176_arg_2 = var_171; [L572] EXPR var_176_arg_0 ? var_176_arg_1 : var_176_arg_2 [L572] SORT_3 var_176 = var_176_arg_0 ? var_176_arg_1 : var_176_arg_2; [L573] SORT_1 var_180_arg_0 = var_179; [L574] SORT_3 var_180_arg_1 = state_177; [L575] SORT_3 var_180_arg_2 = var_176; [L576] EXPR var_180_arg_0 ? var_180_arg_1 : var_180_arg_2 [L576] SORT_3 var_180 = var_180_arg_0 ? var_180_arg_1 : var_180_arg_2; [L577] var_180 = var_180 & mask_SORT_3 [L578] SORT_3 var_210_arg_0 = state_209; [L579] SORT_3 var_210_arg_1 = var_180; [L580] SORT_1 var_210 = var_210_arg_0 == var_210_arg_1; [L581] SORT_1 var_211_arg_0 = var_208; [L582] SORT_1 var_211_arg_1 = var_210; [L583] SORT_1 var_211 = var_211_arg_0 | var_211_arg_1; [L584] SORT_1 var_232_arg_0 = state_213; [L585] SORT_1 var_232_arg_1 = input_231; [L586] SORT_1 var_232_arg_2 = var_211; [L587] EXPR var_232_arg_0 ? var_232_arg_1 : var_232_arg_2 [L587] SORT_1 var_232 = var_232_arg_0 ? var_232_arg_1 : var_232_arg_2; [L588] SORT_1 var_235_arg_0 = var_232; [L589] SORT_1 var_235 = ~var_235_arg_0; [L590] SORT_1 var_236_arg_0 = var_234; [L591] SORT_1 var_236_arg_1 = var_235; [L592] SORT_1 var_236 = var_236_arg_0 & var_236_arg_1; [L593] var_236 = var_236 & mask_SORT_1 [L594] SORT_1 bad_237_arg_0 = var_236; [L595] CALL __VERIFIER_assert(!(bad_237_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L595] RET __VERIFIER_assert(!(bad_237_arg_0)) [L597] SORT_11 var_283_arg_0 = state_282; [L598] SORT_13 var_283 = var_283_arg_0 >> 0; [L599] var_283 = var_283 & mask_SORT_13 [L600] SORT_13 var_459_arg_0 = var_283; [L601] SORT_13 var_459_arg_1 = var_15; [L602] SORT_1 var_459 = var_459_arg_0 == var_459_arg_1; [L603] SORT_1 var_460_arg_0 = input_6; [L604] SORT_1 var_460_arg_1 = var_459; [L605] SORT_1 var_460 = var_460_arg_0 & var_460_arg_1; [L606] var_460 = var_460 & mask_SORT_1 [L607] SORT_1 var_581_arg_0 = var_460; [L608] SORT_3 var_581_arg_1 = input_4; [L609] SORT_3 var_581_arg_2 = state_10; [L610] EXPR var_581_arg_0 ? var_581_arg_1 : var_581_arg_2 [L610] SORT_3 var_581 = var_581_arg_0 ? var_581_arg_1 : var_581_arg_2; [L611] SORT_1 var_583_arg_0 = input_7; [L612] SORT_3 var_583_arg_1 = var_582; [L613] SORT_3 var_583_arg_2 = var_581; [L614] EXPR var_583_arg_0 ? var_583_arg_1 : var_583_arg_2 [L614] SORT_3 var_583 = var_583_arg_0 ? var_583_arg_1 : var_583_arg_2; [L615] SORT_3 next_584_arg_1 = var_583; [L616] SORT_1 var_241_arg_0 = input_6; [L617] SORT_1 var_241_arg_1 = input_5; [L618] SORT_1 var_241 = var_241_arg_0 | var_241_arg_1; [L619] SORT_1 var_242_arg_0 = var_241; [L620] SORT_1 var_242_arg_1 = input_7; [L621] SORT_1 var_242 = var_242_arg_0 | var_242_arg_1; [L622] var_242 = var_242 & mask_SORT_1 [L623] SORT_1 var_512_arg_0 = input_5; [L624] var_512_arg_0 = var_512_arg_0 & mask_SORT_1 [L625] SORT_11 var_512 = var_512_arg_0; [L626] SORT_11 var_513_arg_0 = state_12; [L627] SORT_11 var_513_arg_1 = var_512; [L628] SORT_11 var_513 = var_513_arg_0 + var_513_arg_1; [L629] SORT_1 var_585_arg_0 = var_242; [L630] SORT_11 var_585_arg_1 = var_513; [L631] SORT_11 var_585_arg_2 = state_12; [L632] EXPR var_585_arg_0 ? var_585_arg_1 : var_585_arg_2 [L632] SORT_11 var_585 = var_585_arg_0 ? var_585_arg_1 : var_585_arg_2; [L633] SORT_1 var_586_arg_0 = input_7; [L634] SORT_11 var_586_arg_1 = var_203; [L635] SORT_11 var_586_arg_2 = var_585; [L636] EXPR var_586_arg_0 ? var_586_arg_1 : var_586_arg_2 [L636] SORT_11 var_586 = var_586_arg_0 ? var_586_arg_1 : var_586_arg_2; [L637] SORT_11 next_587_arg_1 = var_586; [L638] SORT_19 var_452_arg_0 = var_20; [L639] var_452_arg_0 = var_452_arg_0 & mask_SORT_19 [L640] SORT_13 var_452 = var_452_arg_0; [L641] SORT_13 var_453_arg_0 = var_283; [L642] SORT_13 var_453_arg_1 = var_452; [L643] SORT_1 var_453 = var_453_arg_0 == var_453_arg_1; [L644] SORT_1 var_454_arg_0 = input_6; [L645] SORT_1 var_454_arg_1 = var_453; [L646] SORT_1 var_454 = var_454_arg_0 & var_454_arg_1; [L647] var_454 = var_454 & mask_SORT_1 [L648] SORT_1 var_588_arg_0 = var_454; [L649] SORT_3 var_588_arg_1 = input_4; [L650] SORT_3 var_588_arg_2 = state_18; [L651] EXPR var_588_arg_0 ? var_588_arg_1 : var_588_arg_2 [L651] SORT_3 var_588 = var_588_arg_0 ? var_588_arg_1 : var_588_arg_2; [L652] SORT_1 var_589_arg_0 = input_7; [L653] SORT_3 var_589_arg_1 = var_582; [L654] SORT_3 var_589_arg_2 = var_588; [L655] EXPR var_589_arg_0 ? var_589_arg_1 : var_589_arg_2 [L655] SORT_3 var_589 = var_589_arg_0 ? var_589_arg_1 : var_589_arg_2; [L656] SORT_3 next_590_arg_1 = var_589; [L657] SORT_19 var_445_arg_0 = var_25; [L658] var_445_arg_0 = var_445_arg_0 & mask_SORT_19 [L659] SORT_13 var_445 = var_445_arg_0; [L660] SORT_13 var_446_arg_0 = var_283; [L661] SORT_13 var_446_arg_1 = var_445; [L662] SORT_1 var_446 = var_446_arg_0 == var_446_arg_1; [L663] SORT_1 var_447_arg_0 = input_6; [L664] SORT_1 var_447_arg_1 = var_446; [L665] SORT_1 var_447 = var_447_arg_0 & var_447_arg_1; [L666] var_447 = var_447 & mask_SORT_1 [L667] SORT_1 var_591_arg_0 = var_447; [L668] SORT_3 var_591_arg_1 = input_4; [L669] SORT_3 var_591_arg_2 = state_24; [L670] EXPR var_591_arg_0 ? var_591_arg_1 : var_591_arg_2 [L670] SORT_3 var_591 = var_591_arg_0 ? var_591_arg_1 : var_591_arg_2; [L671] SORT_1 var_592_arg_0 = input_7; [L672] SORT_3 var_592_arg_1 = var_582; [L673] SORT_3 var_592_arg_2 = var_591; [L674] EXPR var_592_arg_0 ? var_592_arg_1 : var_592_arg_2 [L674] SORT_3 var_592 = var_592_arg_0 ? var_592_arg_1 : var_592_arg_2; [L675] SORT_3 next_593_arg_1 = var_592; [L676] SORT_19 var_431_arg_0 = var_30; [L677] var_431_arg_0 = var_431_arg_0 & mask_SORT_19 [L678] SORT_13 var_431 = var_431_arg_0; [L679] SORT_13 var_432_arg_0 = var_283; [L680] SORT_13 var_432_arg_1 = var_431; [L681] SORT_1 var_432 = var_432_arg_0 == var_432_arg_1; [L682] SORT_1 var_433_arg_0 = input_6; [L683] SORT_1 var_433_arg_1 = var_432; [L684] SORT_1 var_433 = var_433_arg_0 & var_433_arg_1; [L685] var_433 = var_433 & mask_SORT_1 [L686] SORT_1 var_594_arg_0 = var_433; [L687] SORT_3 var_594_arg_1 = input_4; [L688] SORT_3 var_594_arg_2 = state_29; [L689] EXPR var_594_arg_0 ? var_594_arg_1 : var_594_arg_2 [L689] SORT_3 var_594 = var_594_arg_0 ? var_594_arg_1 : var_594_arg_2; [L690] SORT_1 var_595_arg_0 = input_7; [L691] SORT_3 var_595_arg_1 = var_582; [L692] SORT_3 var_595_arg_2 = var_594; [L693] EXPR var_595_arg_0 ? var_595_arg_1 : var_595_arg_2 [L693] SORT_3 var_595 = var_595_arg_0 ? var_595_arg_1 : var_595_arg_2; [L694] SORT_3 next_596_arg_1 = var_595; [L695] SORT_19 var_424_arg_0 = var_35; [L696] var_424_arg_0 = var_424_arg_0 & mask_SORT_19 [L697] SORT_13 var_424 = var_424_arg_0; [L698] SORT_13 var_425_arg_0 = var_283; [L699] SORT_13 var_425_arg_1 = var_424; [L700] SORT_1 var_425 = var_425_arg_0 == var_425_arg_1; [L701] SORT_1 var_426_arg_0 = input_6; [L702] SORT_1 var_426_arg_1 = var_425; [L703] SORT_1 var_426 = var_426_arg_0 & var_426_arg_1; [L704] var_426 = var_426 & mask_SORT_1 [L705] SORT_1 var_597_arg_0 = var_426; [L706] SORT_3 var_597_arg_1 = input_4; [L707] SORT_3 var_597_arg_2 = state_34; [L708] EXPR var_597_arg_0 ? var_597_arg_1 : var_597_arg_2 [L708] SORT_3 var_597 = var_597_arg_0 ? var_597_arg_1 : var_597_arg_2; [L709] SORT_1 var_598_arg_0 = input_7; [L710] SORT_3 var_598_arg_1 = var_582; [L711] SORT_3 var_598_arg_2 = var_597; [L712] EXPR var_598_arg_0 ? var_598_arg_1 : var_598_arg_2 [L712] SORT_3 var_598 = var_598_arg_0 ? var_598_arg_1 : var_598_arg_2; [L713] SORT_3 next_599_arg_1 = var_598; [L714] SORT_19 var_417_arg_0 = var_40; [L715] var_417_arg_0 = var_417_arg_0 & mask_SORT_19 [L716] SORT_13 var_417 = var_417_arg_0; [L717] SORT_13 var_418_arg_0 = var_283; [L718] SORT_13 var_418_arg_1 = var_417; [L719] SORT_1 var_418 = var_418_arg_0 == var_418_arg_1; [L720] SORT_1 var_419_arg_0 = input_6; [L721] SORT_1 var_419_arg_1 = var_418; [L722] SORT_1 var_419 = var_419_arg_0 & var_419_arg_1; [L723] var_419 = var_419 & mask_SORT_1 [L724] SORT_1 var_600_arg_0 = var_419; [L725] SORT_3 var_600_arg_1 = input_4; [L726] SORT_3 var_600_arg_2 = state_39; [L727] EXPR var_600_arg_0 ? var_600_arg_1 : var_600_arg_2 [L727] SORT_3 var_600 = var_600_arg_0 ? var_600_arg_1 : var_600_arg_2; [L728] SORT_1 var_601_arg_0 = input_7; [L729] SORT_3 var_601_arg_1 = var_582; [L730] SORT_3 var_601_arg_2 = var_600; [L731] EXPR var_601_arg_0 ? var_601_arg_1 : var_601_arg_2 [L731] SORT_3 var_601 = var_601_arg_0 ? var_601_arg_1 : var_601_arg_2; [L732] SORT_3 next_602_arg_1 = var_601; [L733] SORT_19 var_410_arg_0 = var_45; [L734] var_410_arg_0 = var_410_arg_0 & mask_SORT_19 [L735] SORT_13 var_410 = var_410_arg_0; [L736] SORT_13 var_411_arg_0 = var_283; [L737] SORT_13 var_411_arg_1 = var_410; [L738] SORT_1 var_411 = var_411_arg_0 == var_411_arg_1; [L739] SORT_1 var_412_arg_0 = input_6; [L740] SORT_1 var_412_arg_1 = var_411; [L741] SORT_1 var_412 = var_412_arg_0 & var_412_arg_1; [L742] var_412 = var_412 & mask_SORT_1 [L743] SORT_1 var_603_arg_0 = var_412; [L744] SORT_3 var_603_arg_1 = input_4; [L745] SORT_3 var_603_arg_2 = state_44; [L746] EXPR var_603_arg_0 ? var_603_arg_1 : var_603_arg_2 [L746] SORT_3 var_603 = var_603_arg_0 ? var_603_arg_1 : var_603_arg_2; [L747] SORT_1 var_604_arg_0 = input_7; [L748] SORT_3 var_604_arg_1 = var_582; [L749] SORT_3 var_604_arg_2 = var_603; [L750] EXPR var_604_arg_0 ? var_604_arg_1 : var_604_arg_2 [L750] SORT_3 var_604 = var_604_arg_0 ? var_604_arg_1 : var_604_arg_2; [L751] SORT_3 next_605_arg_1 = var_604; [L752] SORT_19 var_403_arg_0 = var_50; [L753] var_403_arg_0 = var_403_arg_0 & mask_SORT_19 [L754] SORT_13 var_403 = var_403_arg_0; [L755] SORT_13 var_404_arg_0 = var_283; [L756] SORT_13 var_404_arg_1 = var_403; [L757] SORT_1 var_404 = var_404_arg_0 == var_404_arg_1; [L758] SORT_1 var_405_arg_0 = input_6; [L759] SORT_1 var_405_arg_1 = var_404; [L760] SORT_1 var_405 = var_405_arg_0 & var_405_arg_1; [L761] var_405 = var_405 & mask_SORT_1 [L762] SORT_1 var_606_arg_0 = var_405; [L763] SORT_3 var_606_arg_1 = input_4; [L764] SORT_3 var_606_arg_2 = state_49; [L765] EXPR var_606_arg_0 ? var_606_arg_1 : var_606_arg_2 [L765] SORT_3 var_606 = var_606_arg_0 ? var_606_arg_1 : var_606_arg_2; [L766] SORT_1 var_607_arg_0 = input_7; [L767] SORT_3 var_607_arg_1 = var_582; [L768] SORT_3 var_607_arg_2 = var_606; [L769] EXPR var_607_arg_0 ? var_607_arg_1 : var_607_arg_2 [L769] SORT_3 var_607 = var_607_arg_0 ? var_607_arg_1 : var_607_arg_2; [L770] SORT_3 next_608_arg_1 = var_607; [L771] SORT_19 var_396_arg_0 = var_55; [L772] var_396_arg_0 = var_396_arg_0 & mask_SORT_19 [L773] SORT_13 var_396 = var_396_arg_0; [L774] SORT_13 var_397_arg_0 = var_283; [L775] SORT_13 var_397_arg_1 = var_396; [L776] SORT_1 var_397 = var_397_arg_0 == var_397_arg_1; [L777] SORT_1 var_398_arg_0 = input_6; [L778] SORT_1 var_398_arg_1 = var_397; [L779] SORT_1 var_398 = var_398_arg_0 & var_398_arg_1; [L780] var_398 = var_398 & mask_SORT_1 [L781] SORT_1 var_609_arg_0 = var_398; [L782] SORT_3 var_609_arg_1 = input_4; [L783] SORT_3 var_609_arg_2 = state_54; [L784] EXPR var_609_arg_0 ? var_609_arg_1 : var_609_arg_2 [L784] SORT_3 var_609 = var_609_arg_0 ? var_609_arg_1 : var_609_arg_2; [L785] SORT_1 var_610_arg_0 = input_7; [L786] SORT_3 var_610_arg_1 = var_582; [L787] SORT_3 var_610_arg_2 = var_609; [L788] EXPR var_610_arg_0 ? var_610_arg_1 : var_610_arg_2 [L788] SORT_3 var_610 = var_610_arg_0 ? var_610_arg_1 : var_610_arg_2; [L789] SORT_3 next_611_arg_1 = var_610; [L790] SORT_19 var_389_arg_0 = var_60; [L791] var_389_arg_0 = var_389_arg_0 & mask_SORT_19 [L792] SORT_13 var_389 = var_389_arg_0; [L793] SORT_13 var_390_arg_0 = var_283; [L794] SORT_13 var_390_arg_1 = var_389; [L795] SORT_1 var_390 = var_390_arg_0 == var_390_arg_1; [L796] SORT_1 var_391_arg_0 = input_6; [L797] SORT_1 var_391_arg_1 = var_390; [L798] SORT_1 var_391 = var_391_arg_0 & var_391_arg_1; [L799] var_391 = var_391 & mask_SORT_1 [L800] SORT_1 var_612_arg_0 = var_391; [L801] SORT_3 var_612_arg_1 = input_4; [L802] SORT_3 var_612_arg_2 = state_59; [L803] EXPR var_612_arg_0 ? var_612_arg_1 : var_612_arg_2 [L803] SORT_3 var_612 = var_612_arg_0 ? var_612_arg_1 : var_612_arg_2; [L804] SORT_1 var_613_arg_0 = input_7; [L805] SORT_3 var_613_arg_1 = var_582; [L806] SORT_3 var_613_arg_2 = var_612; [L807] EXPR var_613_arg_0 ? var_613_arg_1 : var_613_arg_2 [L807] SORT_3 var_613 = var_613_arg_0 ? var_613_arg_1 : var_613_arg_2; [L808] SORT_3 next_614_arg_1 = var_613; [L809] SORT_19 var_382_arg_0 = var_65; [L810] var_382_arg_0 = var_382_arg_0 & mask_SORT_19 [L811] SORT_13 var_382 = var_382_arg_0; [L812] SORT_13 var_383_arg_0 = var_283; [L813] SORT_13 var_383_arg_1 = var_382; [L814] SORT_1 var_383 = var_383_arg_0 == var_383_arg_1; [L815] SORT_1 var_384_arg_0 = input_6; [L816] SORT_1 var_384_arg_1 = var_383; [L817] SORT_1 var_384 = var_384_arg_0 & var_384_arg_1; [L818] var_384 = var_384 & mask_SORT_1 [L819] SORT_1 var_615_arg_0 = var_384; [L820] SORT_3 var_615_arg_1 = input_4; [L821] SORT_3 var_615_arg_2 = state_64; [L822] EXPR var_615_arg_0 ? var_615_arg_1 : var_615_arg_2 [L822] SORT_3 var_615 = var_615_arg_0 ? var_615_arg_1 : var_615_arg_2; [L823] SORT_1 var_616_arg_0 = input_7; [L824] SORT_3 var_616_arg_1 = var_582; [L825] SORT_3 var_616_arg_2 = var_615; [L826] EXPR var_616_arg_0 ? var_616_arg_1 : var_616_arg_2 [L826] SORT_3 var_616 = var_616_arg_0 ? var_616_arg_1 : var_616_arg_2; [L827] SORT_3 next_617_arg_1 = var_616; [L828] SORT_19 var_375_arg_0 = var_70; [L829] var_375_arg_0 = var_375_arg_0 & mask_SORT_19 [L830] SORT_13 var_375 = var_375_arg_0; [L831] SORT_13 var_376_arg_0 = var_283; [L832] SORT_13 var_376_arg_1 = var_375; [L833] SORT_1 var_376 = var_376_arg_0 == var_376_arg_1; [L834] SORT_1 var_377_arg_0 = input_6; [L835] SORT_1 var_377_arg_1 = var_376; [L836] SORT_1 var_377 = var_377_arg_0 & var_377_arg_1; [L837] var_377 = var_377 & mask_SORT_1 [L838] SORT_1 var_618_arg_0 = var_377; [L839] SORT_3 var_618_arg_1 = input_4; [L840] SORT_3 var_618_arg_2 = state_69; [L841] EXPR var_618_arg_0 ? var_618_arg_1 : var_618_arg_2 [L841] SORT_3 var_618 = var_618_arg_0 ? var_618_arg_1 : var_618_arg_2; [L842] SORT_1 var_619_arg_0 = input_7; [L843] SORT_3 var_619_arg_1 = var_582; [L844] SORT_3 var_619_arg_2 = var_618; [L845] EXPR var_619_arg_0 ? var_619_arg_1 : var_619_arg_2 [L845] SORT_3 var_619 = var_619_arg_0 ? var_619_arg_1 : var_619_arg_2; [L846] SORT_3 next_620_arg_1 = var_619; [L847] SORT_19 var_368_arg_0 = var_75; [L848] var_368_arg_0 = var_368_arg_0 & mask_SORT_19 [L849] SORT_13 var_368 = var_368_arg_0; [L850] SORT_13 var_369_arg_0 = var_283; [L851] SORT_13 var_369_arg_1 = var_368; [L852] SORT_1 var_369 = var_369_arg_0 == var_369_arg_1; [L853] SORT_1 var_370_arg_0 = input_6; [L854] SORT_1 var_370_arg_1 = var_369; [L855] SORT_1 var_370 = var_370_arg_0 & var_370_arg_1; [L856] var_370 = var_370 & mask_SORT_1 [L857] SORT_1 var_621_arg_0 = var_370; [L858] SORT_3 var_621_arg_1 = input_4; [L859] SORT_3 var_621_arg_2 = state_74; [L860] EXPR var_621_arg_0 ? var_621_arg_1 : var_621_arg_2 [L860] SORT_3 var_621 = var_621_arg_0 ? var_621_arg_1 : var_621_arg_2; [L861] SORT_1 var_622_arg_0 = input_7; [L862] SORT_3 var_622_arg_1 = var_582; [L863] SORT_3 var_622_arg_2 = var_621; [L864] EXPR var_622_arg_0 ? var_622_arg_1 : var_622_arg_2 [L864] SORT_3 var_622 = var_622_arg_0 ? var_622_arg_1 : var_622_arg_2; [L865] SORT_3 next_623_arg_1 = var_622; [L866] SORT_19 var_354_arg_0 = var_80; [L867] var_354_arg_0 = var_354_arg_0 & mask_SORT_19 [L868] SORT_13 var_354 = var_354_arg_0; [L869] SORT_13 var_355_arg_0 = var_283; [L870] SORT_13 var_355_arg_1 = var_354; [L871] SORT_1 var_355 = var_355_arg_0 == var_355_arg_1; [L872] SORT_1 var_356_arg_0 = input_6; [L873] SORT_1 var_356_arg_1 = var_355; [L874] SORT_1 var_356 = var_356_arg_0 & var_356_arg_1; [L875] var_356 = var_356 & mask_SORT_1 [L876] SORT_1 var_624_arg_0 = var_356; [L877] SORT_3 var_624_arg_1 = input_4; [L878] SORT_3 var_624_arg_2 = state_79; [L879] EXPR var_624_arg_0 ? var_624_arg_1 : var_624_arg_2 [L879] SORT_3 var_624 = var_624_arg_0 ? var_624_arg_1 : var_624_arg_2; [L880] SORT_1 var_625_arg_0 = input_7; [L881] SORT_3 var_625_arg_1 = var_582; [L882] SORT_3 var_625_arg_2 = var_624; [L883] EXPR var_625_arg_0 ? var_625_arg_1 : var_625_arg_2 [L883] SORT_3 var_625 = var_625_arg_0 ? var_625_arg_1 : var_625_arg_2; [L884] SORT_3 next_626_arg_1 = var_625; [L885] SORT_19 var_347_arg_0 = var_85; [L886] var_347_arg_0 = var_347_arg_0 & mask_SORT_19 [L887] SORT_13 var_347 = var_347_arg_0; [L888] SORT_13 var_348_arg_0 = var_283; [L889] SORT_13 var_348_arg_1 = var_347; [L890] SORT_1 var_348 = var_348_arg_0 == var_348_arg_1; [L891] SORT_1 var_349_arg_0 = input_6; [L892] SORT_1 var_349_arg_1 = var_348; [L893] SORT_1 var_349 = var_349_arg_0 & var_349_arg_1; [L894] var_349 = var_349 & mask_SORT_1 [L895] SORT_1 var_627_arg_0 = var_349; [L896] SORT_3 var_627_arg_1 = input_4; [L897] SORT_3 var_627_arg_2 = state_84; [L898] EXPR var_627_arg_0 ? var_627_arg_1 : var_627_arg_2 [L898] SORT_3 var_627 = var_627_arg_0 ? var_627_arg_1 : var_627_arg_2; [L899] SORT_1 var_628_arg_0 = input_7; [L900] SORT_3 var_628_arg_1 = var_582; [L901] SORT_3 var_628_arg_2 = var_627; [L902] EXPR var_628_arg_0 ? var_628_arg_1 : var_628_arg_2 [L902] SORT_3 var_628 = var_628_arg_0 ? var_628_arg_1 : var_628_arg_2; [L903] SORT_3 next_629_arg_1 = var_628; [L904] SORT_19 var_340_arg_0 = var_90; [L905] var_340_arg_0 = var_340_arg_0 & mask_SORT_19 [L906] SORT_13 var_340 = var_340_arg_0; [L907] SORT_13 var_341_arg_0 = var_283; [L908] SORT_13 var_341_arg_1 = var_340; [L909] SORT_1 var_341 = var_341_arg_0 == var_341_arg_1; [L910] SORT_1 var_342_arg_0 = input_6; [L911] SORT_1 var_342_arg_1 = var_341; [L912] SORT_1 var_342 = var_342_arg_0 & var_342_arg_1; [L913] var_342 = var_342 & mask_SORT_1 [L914] SORT_1 var_630_arg_0 = var_342; [L915] SORT_3 var_630_arg_1 = input_4; [L916] SORT_3 var_630_arg_2 = state_89; [L917] EXPR var_630_arg_0 ? var_630_arg_1 : var_630_arg_2 [L917] SORT_3 var_630 = var_630_arg_0 ? var_630_arg_1 : var_630_arg_2; [L918] SORT_1 var_631_arg_0 = input_7; [L919] SORT_3 var_631_arg_1 = var_582; [L920] SORT_3 var_631_arg_2 = var_630; [L921] EXPR var_631_arg_0 ? var_631_arg_1 : var_631_arg_2 [L921] SORT_3 var_631 = var_631_arg_0 ? var_631_arg_1 : var_631_arg_2; [L922] SORT_3 next_632_arg_1 = var_631; [L923] SORT_19 var_333_arg_0 = var_95; [L924] var_333_arg_0 = var_333_arg_0 & mask_SORT_19 [L925] SORT_13 var_333 = var_333_arg_0; [L926] SORT_13 var_334_arg_0 = var_283; [L927] SORT_13 var_334_arg_1 = var_333; [L928] SORT_1 var_334 = var_334_arg_0 == var_334_arg_1; [L929] SORT_1 var_335_arg_0 = input_6; [L930] SORT_1 var_335_arg_1 = var_334; [L931] SORT_1 var_335 = var_335_arg_0 & var_335_arg_1; [L932] var_335 = var_335 & mask_SORT_1 [L933] SORT_1 var_633_arg_0 = var_335; [L934] SORT_3 var_633_arg_1 = input_4; [L935] SORT_3 var_633_arg_2 = state_94; [L936] EXPR var_633_arg_0 ? var_633_arg_1 : var_633_arg_2 [L936] SORT_3 var_633 = var_633_arg_0 ? var_633_arg_1 : var_633_arg_2; [L937] SORT_1 var_634_arg_0 = input_7; [L938] SORT_3 var_634_arg_1 = var_582; [L939] SORT_3 var_634_arg_2 = var_633; [L940] EXPR var_634_arg_0 ? var_634_arg_1 : var_634_arg_2 [L940] SORT_3 var_634 = var_634_arg_0 ? var_634_arg_1 : var_634_arg_2; [L941] SORT_3 next_635_arg_1 = var_634; [L942] SORT_100 var_326_arg_0 = var_101; [L943] var_326_arg_0 = var_326_arg_0 & mask_SORT_100 [L944] SORT_13 var_326 = var_326_arg_0; [L945] SORT_13 var_327_arg_0 = var_283; [L946] SORT_13 var_327_arg_1 = var_326; [L947] SORT_1 var_327 = var_327_arg_0 == var_327_arg_1; [L948] SORT_1 var_328_arg_0 = input_6; [L949] SORT_1 var_328_arg_1 = var_327; [L950] SORT_1 var_328 = var_328_arg_0 & var_328_arg_1; [L951] var_328 = var_328 & mask_SORT_1 [L952] SORT_1 var_636_arg_0 = var_328; [L953] SORT_3 var_636_arg_1 = input_4; [L954] SORT_3 var_636_arg_2 = state_99; [L955] EXPR var_636_arg_0 ? var_636_arg_1 : var_636_arg_2 [L955] SORT_3 var_636 = var_636_arg_0 ? var_636_arg_1 : var_636_arg_2; [L956] SORT_1 var_637_arg_0 = input_7; [L957] SORT_3 var_637_arg_1 = var_582; [L958] SORT_3 var_637_arg_2 = var_636; [L959] EXPR var_637_arg_0 ? var_637_arg_1 : var_637_arg_2 [L959] SORT_3 var_637 = var_637_arg_0 ? var_637_arg_1 : var_637_arg_2; [L960] SORT_3 next_638_arg_1 = var_637; [L961] SORT_100 var_319_arg_0 = var_106; [L962] var_319_arg_0 = var_319_arg_0 & mask_SORT_100 [L963] SORT_13 var_319 = var_319_arg_0; [L964] SORT_13 var_320_arg_0 = var_283; [L965] SORT_13 var_320_arg_1 = var_319; [L966] SORT_1 var_320 = var_320_arg_0 == var_320_arg_1; [L967] SORT_1 var_321_arg_0 = input_6; [L968] SORT_1 var_321_arg_1 = var_320; [L969] SORT_1 var_321 = var_321_arg_0 & var_321_arg_1; [L970] var_321 = var_321 & mask_SORT_1 [L971] SORT_1 var_639_arg_0 = var_321; [L972] SORT_3 var_639_arg_1 = input_4; [L973] SORT_3 var_639_arg_2 = state_105; [L974] EXPR var_639_arg_0 ? var_639_arg_1 : var_639_arg_2 [L974] SORT_3 var_639 = var_639_arg_0 ? var_639_arg_1 : var_639_arg_2; [L975] SORT_1 var_640_arg_0 = input_7; [L976] SORT_3 var_640_arg_1 = var_582; [L977] SORT_3 var_640_arg_2 = var_639; [L978] EXPR var_640_arg_0 ? var_640_arg_1 : var_640_arg_2 [L978] SORT_3 var_640 = var_640_arg_0 ? var_640_arg_1 : var_640_arg_2; [L979] SORT_3 next_641_arg_1 = var_640; [L980] SORT_100 var_312_arg_0 = var_111; [L981] var_312_arg_0 = var_312_arg_0 & mask_SORT_100 [L982] SORT_13 var_312 = var_312_arg_0; [L983] SORT_13 var_313_arg_0 = var_283; [L984] SORT_13 var_313_arg_1 = var_312; [L985] SORT_1 var_313 = var_313_arg_0 == var_313_arg_1; [L986] SORT_1 var_314_arg_0 = input_6; [L987] SORT_1 var_314_arg_1 = var_313; [L988] SORT_1 var_314 = var_314_arg_0 & var_314_arg_1; [L989] var_314 = var_314 & mask_SORT_1 [L990] SORT_1 var_642_arg_0 = var_314; [L991] SORT_3 var_642_arg_1 = input_4; [L992] SORT_3 var_642_arg_2 = state_110; [L993] EXPR var_642_arg_0 ? var_642_arg_1 : var_642_arg_2 [L993] SORT_3 var_642 = var_642_arg_0 ? var_642_arg_1 : var_642_arg_2; [L994] SORT_1 var_643_arg_0 = input_7; [L995] SORT_3 var_643_arg_1 = var_582; [L996] SORT_3 var_643_arg_2 = var_642; [L997] EXPR var_643_arg_0 ? var_643_arg_1 : var_643_arg_2 [L997] SORT_3 var_643 = var_643_arg_0 ? var_643_arg_1 : var_643_arg_2; [L998] SORT_3 next_644_arg_1 = var_643; [L999] SORT_100 var_305_arg_0 = var_116; [L1000] var_305_arg_0 = var_305_arg_0 & mask_SORT_100 [L1001] SORT_13 var_305 = var_305_arg_0; [L1002] SORT_13 var_306_arg_0 = var_283; [L1003] SORT_13 var_306_arg_1 = var_305; [L1004] SORT_1 var_306 = var_306_arg_0 == var_306_arg_1; [L1005] SORT_1 var_307_arg_0 = input_6; [L1006] SORT_1 var_307_arg_1 = var_306; [L1007] SORT_1 var_307 = var_307_arg_0 & var_307_arg_1; [L1008] var_307 = var_307 & mask_SORT_1 [L1009] SORT_1 var_645_arg_0 = var_307; [L1010] SORT_3 var_645_arg_1 = input_4; [L1011] SORT_3 var_645_arg_2 = state_115; [L1012] EXPR var_645_arg_0 ? var_645_arg_1 : var_645_arg_2 [L1012] SORT_3 var_645 = var_645_arg_0 ? var_645_arg_1 : var_645_arg_2; [L1013] SORT_1 var_646_arg_0 = input_7; [L1014] SORT_3 var_646_arg_1 = var_582; [L1015] SORT_3 var_646_arg_2 = var_645; [L1016] EXPR var_646_arg_0 ? var_646_arg_1 : var_646_arg_2 [L1016] SORT_3 var_646 = var_646_arg_0 ? var_646_arg_1 : var_646_arg_2; [L1017] SORT_3 next_647_arg_1 = var_646; [L1018] SORT_100 var_298_arg_0 = var_121; [L1019] var_298_arg_0 = var_298_arg_0 & mask_SORT_100 [L1020] SORT_13 var_298 = var_298_arg_0; [L1021] SORT_13 var_299_arg_0 = var_283; [L1022] SORT_13 var_299_arg_1 = var_298; [L1023] SORT_1 var_299 = var_299_arg_0 == var_299_arg_1; [L1024] SORT_1 var_300_arg_0 = input_6; [L1025] SORT_1 var_300_arg_1 = var_299; [L1026] SORT_1 var_300 = var_300_arg_0 & var_300_arg_1; [L1027] var_300 = var_300 & mask_SORT_1 [L1028] SORT_1 var_648_arg_0 = var_300; [L1029] SORT_3 var_648_arg_1 = input_4; [L1030] SORT_3 var_648_arg_2 = state_120; [L1031] EXPR var_648_arg_0 ? var_648_arg_1 : var_648_arg_2 [L1031] SORT_3 var_648 = var_648_arg_0 ? var_648_arg_1 : var_648_arg_2; [L1032] SORT_1 var_649_arg_0 = input_7; [L1033] SORT_3 var_649_arg_1 = var_582; [L1034] SORT_3 var_649_arg_2 = var_648; [L1035] EXPR var_649_arg_0 ? var_649_arg_1 : var_649_arg_2 [L1035] SORT_3 var_649 = var_649_arg_0 ? var_649_arg_1 : var_649_arg_2; [L1036] SORT_3 next_650_arg_1 = var_649; [L1037] SORT_100 var_291_arg_0 = var_126; [L1038] var_291_arg_0 = var_291_arg_0 & mask_SORT_100 [L1039] SORT_13 var_291 = var_291_arg_0; [L1040] SORT_13 var_292_arg_0 = var_283; [L1041] SORT_13 var_292_arg_1 = var_291; [L1042] SORT_1 var_292 = var_292_arg_0 == var_292_arg_1; [L1043] SORT_1 var_293_arg_0 = input_6; [L1044] SORT_1 var_293_arg_1 = var_292; [L1045] SORT_1 var_293 = var_293_arg_0 & var_293_arg_1; [L1046] var_293 = var_293 & mask_SORT_1 [L1047] SORT_1 var_651_arg_0 = var_293; [L1048] SORT_3 var_651_arg_1 = input_4; [L1049] SORT_3 var_651_arg_2 = state_125; [L1050] EXPR var_651_arg_0 ? var_651_arg_1 : var_651_arg_2 [L1050] SORT_3 var_651 = var_651_arg_0 ? var_651_arg_1 : var_651_arg_2; [L1051] SORT_1 var_652_arg_0 = input_7; [L1052] SORT_3 var_652_arg_1 = var_582; [L1053] SORT_3 var_652_arg_2 = var_651; [L1054] EXPR var_652_arg_0 ? var_652_arg_1 : var_652_arg_2 [L1054] SORT_3 var_652 = var_652_arg_0 ? var_652_arg_1 : var_652_arg_2; [L1055] SORT_3 next_653_arg_1 = var_652; [L1056] SORT_100 var_507_arg_0 = var_131; [L1057] var_507_arg_0 = var_507_arg_0 & mask_SORT_100 [L1058] SORT_13 var_507 = var_507_arg_0; [L1059] SORT_13 var_508_arg_0 = var_283; [L1060] SORT_13 var_508_arg_1 = var_507; [L1061] SORT_1 var_508 = var_508_arg_0 == var_508_arg_1; [L1062] SORT_1 var_509_arg_0 = input_6; [L1063] SORT_1 var_509_arg_1 = var_508; [L1064] SORT_1 var_509 = var_509_arg_0 & var_509_arg_1; [L1065] var_509 = var_509 & mask_SORT_1 [L1066] SORT_1 var_654_arg_0 = var_509; [L1067] SORT_3 var_654_arg_1 = input_4; [L1068] SORT_3 var_654_arg_2 = state_130; [L1069] EXPR var_654_arg_0 ? var_654_arg_1 : var_654_arg_2 [L1069] SORT_3 var_654 = var_654_arg_0 ? var_654_arg_1 : var_654_arg_2; [L1070] SORT_1 var_655_arg_0 = input_7; [L1071] SORT_3 var_655_arg_1 = var_582; [L1072] SORT_3 var_655_arg_2 = var_654; [L1073] EXPR var_655_arg_0 ? var_655_arg_1 : var_655_arg_2 [L1073] SORT_3 var_655 = var_655_arg_0 ? var_655_arg_1 : var_655_arg_2; [L1074] SORT_3 next_656_arg_1 = var_655; [L1075] SORT_100 var_500_arg_0 = var_136; [L1076] var_500_arg_0 = var_500_arg_0 & mask_SORT_100 [L1077] SORT_13 var_500 = var_500_arg_0; [L1078] SORT_13 var_501_arg_0 = var_283; [L1079] SORT_13 var_501_arg_1 = var_500; [L1080] SORT_1 var_501 = var_501_arg_0 == var_501_arg_1; [L1081] SORT_1 var_502_arg_0 = input_6; [L1082] SORT_1 var_502_arg_1 = var_501; [L1083] SORT_1 var_502 = var_502_arg_0 & var_502_arg_1; [L1084] var_502 = var_502 & mask_SORT_1 [L1085] SORT_1 var_657_arg_0 = var_502; [L1086] SORT_3 var_657_arg_1 = input_4; [L1087] SORT_3 var_657_arg_2 = state_135; [L1088] EXPR var_657_arg_0 ? var_657_arg_1 : var_657_arg_2 [L1088] SORT_3 var_657 = var_657_arg_0 ? var_657_arg_1 : var_657_arg_2; [L1089] SORT_1 var_658_arg_0 = input_7; [L1090] SORT_3 var_658_arg_1 = var_582; [L1091] SORT_3 var_658_arg_2 = var_657; [L1092] EXPR var_658_arg_0 ? var_658_arg_1 : var_658_arg_2 [L1092] SORT_3 var_658 = var_658_arg_0 ? var_658_arg_1 : var_658_arg_2; [L1093] SORT_3 next_659_arg_1 = var_658; [L1094] SORT_141 var_493_arg_0 = var_142; [L1095] var_493_arg_0 = var_493_arg_0 & mask_SORT_141 [L1096] SORT_13 var_493 = var_493_arg_0; [L1097] SORT_13 var_494_arg_0 = var_283; [L1098] SORT_13 var_494_arg_1 = var_493; [L1099] SORT_1 var_494 = var_494_arg_0 == var_494_arg_1; [L1100] SORT_1 var_495_arg_0 = input_6; [L1101] SORT_1 var_495_arg_1 = var_494; [L1102] SORT_1 var_495 = var_495_arg_0 & var_495_arg_1; [L1103] var_495 = var_495 & mask_SORT_1 [L1104] SORT_1 var_660_arg_0 = var_495; [L1105] SORT_3 var_660_arg_1 = input_4; [L1106] SORT_3 var_660_arg_2 = state_140; [L1107] EXPR var_660_arg_0 ? var_660_arg_1 : var_660_arg_2 [L1107] SORT_3 var_660 = var_660_arg_0 ? var_660_arg_1 : var_660_arg_2; [L1108] SORT_1 var_661_arg_0 = input_7; [L1109] SORT_3 var_661_arg_1 = var_582; [L1110] SORT_3 var_661_arg_2 = var_660; [L1111] EXPR var_661_arg_0 ? var_661_arg_1 : var_661_arg_2 [L1111] SORT_3 var_661 = var_661_arg_0 ? var_661_arg_1 : var_661_arg_2; [L1112] SORT_3 next_662_arg_1 = var_661; [L1113] SORT_141 var_486_arg_0 = var_147; [L1114] var_486_arg_0 = var_486_arg_0 & mask_SORT_141 [L1115] SORT_13 var_486 = var_486_arg_0; [L1116] SORT_13 var_487_arg_0 = var_283; [L1117] SORT_13 var_487_arg_1 = var_486; [L1118] SORT_1 var_487 = var_487_arg_0 == var_487_arg_1; [L1119] SORT_1 var_488_arg_0 = input_6; [L1120] SORT_1 var_488_arg_1 = var_487; [L1121] SORT_1 var_488 = var_488_arg_0 & var_488_arg_1; [L1122] var_488 = var_488 & mask_SORT_1 [L1123] SORT_1 var_663_arg_0 = var_488; [L1124] SORT_3 var_663_arg_1 = input_4; [L1125] SORT_3 var_663_arg_2 = state_146; [L1126] EXPR var_663_arg_0 ? var_663_arg_1 : var_663_arg_2 [L1126] SORT_3 var_663 = var_663_arg_0 ? var_663_arg_1 : var_663_arg_2; [L1127] SORT_1 var_664_arg_0 = input_7; [L1128] SORT_3 var_664_arg_1 = var_582; [L1129] SORT_3 var_664_arg_2 = var_663; [L1130] EXPR var_664_arg_0 ? var_664_arg_1 : var_664_arg_2 [L1130] SORT_3 var_664 = var_664_arg_0 ? var_664_arg_1 : var_664_arg_2; [L1131] SORT_3 next_665_arg_1 = var_664; [L1132] SORT_141 var_479_arg_0 = var_152; [L1133] var_479_arg_0 = var_479_arg_0 & mask_SORT_141 [L1134] SORT_13 var_479 = var_479_arg_0; [L1135] SORT_13 var_480_arg_0 = var_283; [L1136] SORT_13 var_480_arg_1 = var_479; [L1137] SORT_1 var_480 = var_480_arg_0 == var_480_arg_1; [L1138] SORT_1 var_481_arg_0 = input_6; [L1139] SORT_1 var_481_arg_1 = var_480; [L1140] SORT_1 var_481 = var_481_arg_0 & var_481_arg_1; [L1141] var_481 = var_481 & mask_SORT_1 [L1142] SORT_1 var_666_arg_0 = var_481; [L1143] SORT_3 var_666_arg_1 = input_4; [L1144] SORT_3 var_666_arg_2 = state_151; [L1145] EXPR var_666_arg_0 ? var_666_arg_1 : var_666_arg_2 [L1145] SORT_3 var_666 = var_666_arg_0 ? var_666_arg_1 : var_666_arg_2; [L1146] SORT_1 var_667_arg_0 = input_7; [L1147] SORT_3 var_667_arg_1 = var_582; [L1148] SORT_3 var_667_arg_2 = var_666; [L1149] EXPR var_667_arg_0 ? var_667_arg_1 : var_667_arg_2 [L1149] SORT_3 var_667 = var_667_arg_0 ? var_667_arg_1 : var_667_arg_2; [L1150] SORT_3 next_668_arg_1 = var_667; [L1151] SORT_141 var_472_arg_0 = var_157; [L1152] var_472_arg_0 = var_472_arg_0 & mask_SORT_141 [L1153] SORT_13 var_472 = var_472_arg_0; [L1154] SORT_13 var_473_arg_0 = var_283; [L1155] SORT_13 var_473_arg_1 = var_472; [L1156] SORT_1 var_473 = var_473_arg_0 == var_473_arg_1; [L1157] SORT_1 var_474_arg_0 = input_6; [L1158] SORT_1 var_474_arg_1 = var_473; [L1159] SORT_1 var_474 = var_474_arg_0 & var_474_arg_1; [L1160] var_474 = var_474 & mask_SORT_1 [L1161] SORT_1 var_669_arg_0 = var_474; [L1162] SORT_3 var_669_arg_1 = input_4; [L1163] SORT_3 var_669_arg_2 = state_156; [L1164] EXPR var_669_arg_0 ? var_669_arg_1 : var_669_arg_2 [L1164] SORT_3 var_669 = var_669_arg_0 ? var_669_arg_1 : var_669_arg_2; [L1165] SORT_1 var_670_arg_0 = input_7; [L1166] SORT_3 var_670_arg_1 = var_582; [L1167] SORT_3 var_670_arg_2 = var_669; [L1168] EXPR var_670_arg_0 ? var_670_arg_1 : var_670_arg_2 [L1168] SORT_3 var_670 = var_670_arg_0 ? var_670_arg_1 : var_670_arg_2; [L1169] SORT_3 next_671_arg_1 = var_670; [L1170] SORT_162 var_465_arg_0 = var_163; [L1171] var_465_arg_0 = var_465_arg_0 & mask_SORT_162 [L1172] SORT_13 var_465 = var_465_arg_0; [L1173] SORT_13 var_466_arg_0 = var_283; [L1174] SORT_13 var_466_arg_1 = var_465; [L1175] SORT_1 var_466 = var_466_arg_0 == var_466_arg_1; [L1176] SORT_1 var_467_arg_0 = input_6; [L1177] SORT_1 var_467_arg_1 = var_466; [L1178] SORT_1 var_467 = var_467_arg_0 & var_467_arg_1; [L1179] var_467 = var_467 & mask_SORT_1 [L1180] SORT_1 var_672_arg_0 = var_467; [L1181] SORT_3 var_672_arg_1 = input_4; [L1182] SORT_3 var_672_arg_2 = state_161; [L1183] EXPR var_672_arg_0 ? var_672_arg_1 : var_672_arg_2 [L1183] SORT_3 var_672 = var_672_arg_0 ? var_672_arg_1 : var_672_arg_2; [L1184] SORT_1 var_673_arg_0 = input_7; [L1185] SORT_3 var_673_arg_1 = var_582; [L1186] SORT_3 var_673_arg_2 = var_672; [L1187] EXPR var_673_arg_0 ? var_673_arg_1 : var_673_arg_2 [L1187] SORT_3 var_673 = var_673_arg_0 ? var_673_arg_1 : var_673_arg_2; [L1188] SORT_3 next_674_arg_1 = var_673; [L1189] SORT_162 var_438_arg_0 = var_168; [L1190] var_438_arg_0 = var_438_arg_0 & mask_SORT_162 [L1191] SORT_13 var_438 = var_438_arg_0; [L1192] SORT_13 var_439_arg_0 = var_283; [L1193] SORT_13 var_439_arg_1 = var_438; [L1194] SORT_1 var_439 = var_439_arg_0 == var_439_arg_1; [L1195] SORT_1 var_440_arg_0 = input_6; [L1196] SORT_1 var_440_arg_1 = var_439; [L1197] SORT_1 var_440 = var_440_arg_0 & var_440_arg_1; [L1198] var_440 = var_440 & mask_SORT_1 [L1199] SORT_1 var_675_arg_0 = var_440; [L1200] SORT_3 var_675_arg_1 = input_4; [L1201] SORT_3 var_675_arg_2 = state_167; [L1202] EXPR var_675_arg_0 ? var_675_arg_1 : var_675_arg_2 [L1202] SORT_3 var_675 = var_675_arg_0 ? var_675_arg_1 : var_675_arg_2; [L1203] SORT_1 var_676_arg_0 = input_7; [L1204] SORT_3 var_676_arg_1 = var_582; [L1205] SORT_3 var_676_arg_2 = var_675; [L1206] EXPR var_676_arg_0 ? var_676_arg_1 : var_676_arg_2 [L1206] SORT_3 var_676 = var_676_arg_0 ? var_676_arg_1 : var_676_arg_2; [L1207] SORT_3 next_677_arg_1 = var_676; [L1208] SORT_1 var_361_arg_0 = var_173; [L1209] var_361_arg_0 = var_361_arg_0 & mask_SORT_1 [L1210] SORT_13 var_361 = var_361_arg_0; [L1211] SORT_13 var_362_arg_0 = var_283; [L1212] SORT_13 var_362_arg_1 = var_361; [L1213] SORT_1 var_362 = var_362_arg_0 == var_362_arg_1; [L1214] SORT_1 var_363_arg_0 = input_6; [L1215] SORT_1 var_363_arg_1 = var_362; [L1216] SORT_1 var_363 = var_363_arg_0 & var_363_arg_1; [L1217] var_363 = var_363 & mask_SORT_1 [L1218] SORT_1 var_678_arg_0 = var_363; [L1219] SORT_3 var_678_arg_1 = input_4; [L1220] SORT_3 var_678_arg_2 = state_172; [L1221] EXPR var_678_arg_0 ? var_678_arg_1 : var_678_arg_2 [L1221] SORT_3 var_678 = var_678_arg_0 ? var_678_arg_1 : var_678_arg_2; [L1222] SORT_1 var_679_arg_0 = input_7; [L1223] SORT_3 var_679_arg_1 = var_582; [L1224] SORT_3 var_679_arg_2 = var_678; [L1225] EXPR var_679_arg_0 ? var_679_arg_1 : var_679_arg_2 [L1225] SORT_3 var_679 = var_679_arg_0 ? var_679_arg_1 : var_679_arg_2; [L1226] SORT_3 next_680_arg_1 = var_679; [L1227] SORT_13 var_284_arg_0 = var_283; [L1228] SORT_1 var_284 = var_284_arg_0 != 0; [L1229] SORT_1 var_285_arg_0 = var_284; [L1230] SORT_1 var_285 = ~var_285_arg_0; [L1231] SORT_1 var_286_arg_0 = input_6; [L1232] SORT_1 var_286_arg_1 = var_285; [L1233] SORT_1 var_286 = var_286_arg_0 & var_286_arg_1; [L1234] var_286 = var_286 & mask_SORT_1 [L1235] SORT_1 var_681_arg_0 = var_286; [L1236] SORT_3 var_681_arg_1 = input_4; [L1237] SORT_3 var_681_arg_2 = state_177; [L1238] EXPR var_681_arg_0 ? var_681_arg_1 : var_681_arg_2 [L1238] SORT_3 var_681 = var_681_arg_0 ? var_681_arg_1 : var_681_arg_2; [L1239] SORT_1 var_682_arg_0 = input_7; [L1240] SORT_3 var_682_arg_1 = var_582; [L1241] SORT_3 var_682_arg_2 = var_681; [L1242] EXPR var_682_arg_0 ? var_682_arg_1 : var_682_arg_2 [L1242] SORT_3 var_682 = var_682_arg_0 ? var_682_arg_1 : var_682_arg_2; [L1243] SORT_3 next_683_arg_1 = var_682; [L1244] SORT_1 var_684_arg_0 = input_6; [L1245] var_684_arg_0 = var_684_arg_0 & mask_SORT_1 [L1246] SORT_11 var_684 = var_684_arg_0; [L1247] SORT_11 var_685_arg_0 = state_182; [L1248] SORT_11 var_685_arg_1 = var_684; [L1249] SORT_11 var_685 = var_685_arg_0 + var_685_arg_1; [L1250] SORT_1 var_686_arg_0 = input_5; [L1251] var_686_arg_0 = var_686_arg_0 & mask_SORT_1 [L1252] SORT_11 var_686 = var_686_arg_0; [L1253] SORT_11 var_687_arg_0 = var_685; [L1254] SORT_11 var_687_arg_1 = var_686; [L1255] SORT_11 var_687 = var_687_arg_0 - var_687_arg_1; [L1256] SORT_1 var_688_arg_0 = input_7; [L1257] SORT_11 var_688_arg_1 = var_203; [L1258] SORT_11 var_688_arg_2 = var_687; [L1259] EXPR var_688_arg_0 ? var_688_arg_1 : var_688_arg_2 [L1259] SORT_11 var_688 = var_688_arg_0 ? var_688_arg_1 : var_688_arg_2; [L1260] var_688 = var_688 & mask_SORT_11 [L1261] SORT_11 next_689_arg_1 = var_688; [L1262] SORT_1 var_542_arg_0 = state_190; [L1263] SORT_1 var_542 = ~var_542_arg_0; [L1264] var_542 = var_542 & mask_SORT_1 [L1265] SORT_1 var_538_arg_0 = input_8; [L1266] SORT_1 var_538_arg_1 = input_6; [L1267] SORT_1 var_538 = var_538_arg_0 & var_538_arg_1; [L1268] SORT_1 var_539_arg_0 = state_190; [L1269] SORT_1 var_539_arg_1 = var_538; [L1270] SORT_1 var_539 = var_539_arg_0 | var_539_arg_1; [L1271] SORT_1 var_690_arg_0 = var_542; [L1272] SORT_1 var_690_arg_1 = var_539; [L1273] SORT_1 var_690_arg_2 = state_190; [L1274] EXPR var_690_arg_0 ? var_690_arg_1 : var_690_arg_2 [L1274] SORT_1 var_690 = var_690_arg_0 ? var_690_arg_1 : var_690_arg_2; [L1275] SORT_1 var_691_arg_0 = input_7; [L1276] SORT_1 var_691_arg_1 = var_233; [L1277] SORT_1 var_691_arg_2 = var_690; [L1278] EXPR var_691_arg_0 ? var_691_arg_1 : var_691_arg_2 [L1278] SORT_1 var_691 = var_691_arg_0 ? var_691_arg_1 : var_691_arg_2; [L1279] SORT_1 next_692_arg_1 = var_691; [L1280] SORT_1 var_550_arg_0 = var_207; [L1281] SORT_1 var_550_arg_1 = state_191; [L1282] SORT_1 var_550 = var_550_arg_0 | var_550_arg_1; [L1283] SORT_1 var_693_arg_0 = var_173; [L1284] SORT_1 var_693_arg_1 = var_550; [L1285] SORT_1 var_693_arg_2 = state_191; [L1286] EXPR var_693_arg_0 ? var_693_arg_1 : var_693_arg_2 [L1286] SORT_1 var_693 = var_693_arg_0 ? var_693_arg_1 : var_693_arg_2; [L1287] SORT_1 var_694_arg_0 = input_7; [L1288] SORT_1 var_694_arg_1 = var_233; [L1289] SORT_1 var_694_arg_2 = var_693; [L1290] EXPR var_694_arg_0 ? var_694_arg_1 : var_694_arg_2 [L1290] SORT_1 var_694 = var_694_arg_0 ? var_694_arg_1 : var_694_arg_2; [L1291] SORT_1 next_695_arg_1 = var_694; [L1292] SORT_1 var_562_arg_0 = input_6; [L1293] SORT_1 var_562_arg_1 = input_5; [L1294] SORT_1 var_562 = var_562_arg_0 | var_562_arg_1; [L1295] SORT_1 var_563_arg_0 = var_562; [L1296] SORT_1 var_563_arg_1 = input_7; [L1297] SORT_1 var_563 = var_563_arg_0 | var_563_arg_1; [L1298] SORT_1 var_564_arg_0 = var_563; [L1299] SORT_1 var_564_arg_1 = state_190; [L1300] SORT_1 var_564 = var_564_arg_0 | var_564_arg_1; [L1301] var_564 = var_564 & mask_SORT_1 [L1302] SORT_1 var_696_arg_0 = var_564; [L1303] SORT_11 var_696_arg_1 = var_204; [L1304] SORT_11 var_696_arg_2 = state_194; [L1305] EXPR var_696_arg_0 ? var_696_arg_1 : var_696_arg_2 [L1305] SORT_11 var_696 = var_696_arg_0 ? var_696_arg_1 : var_696_arg_2; [L1306] SORT_1 var_697_arg_0 = input_7; [L1307] SORT_11 var_697_arg_1 = var_203; [L1308] SORT_11 var_697_arg_2 = var_696; [L1309] EXPR var_697_arg_0 ? var_697_arg_1 : var_697_arg_2 [L1309] SORT_11 var_697 = var_697_arg_0 ? var_697_arg_1 : var_697_arg_2; [L1310] var_697 = var_697 & mask_SORT_11 [L1311] SORT_11 next_698_arg_1 = var_697; [L1312] SORT_1 var_547_arg_0 = var_538; [L1313] SORT_1 var_547_arg_1 = var_542; [L1314] SORT_1 var_547 = var_547_arg_0 & var_547_arg_1; [L1315] var_547 = var_547 & mask_SORT_1 [L1316] SORT_1 var_699_arg_0 = var_547; [L1317] SORT_3 var_699_arg_1 = input_4; [L1318] SORT_3 var_699_arg_2 = state_209; [L1319] EXPR var_699_arg_0 ? var_699_arg_1 : var_699_arg_2 [L1319] SORT_3 var_699 = var_699_arg_0 ? var_699_arg_1 : var_699_arg_2; [L1320] SORT_1 var_700_arg_0 = input_7; [L1321] SORT_3 var_700_arg_1 = var_582; [L1322] SORT_3 var_700_arg_2 = var_699; [L1323] EXPR var_700_arg_0 ? var_700_arg_1 : var_700_arg_2 [L1323] SORT_3 var_700 = var_700_arg_0 ? var_700_arg_1 : var_700_arg_2; [L1324] var_700 = var_700 & mask_SORT_3 [L1325] SORT_3 next_701_arg_1 = var_700; [L1326] SORT_1 next_702_arg_1 = var_233; [L1327] SORT_1 var_518_arg_0 = input_6; [L1328] var_518_arg_0 = var_518_arg_0 & mask_SORT_1 [L1329] SORT_11 var_518 = var_518_arg_0; [L1330] SORT_11 var_519_arg_0 = state_282; [L1331] SORT_11 var_519_arg_1 = var_518; [L1332] SORT_11 var_519 = var_519_arg_0 + var_519_arg_1; [L1333] SORT_1 var_703_arg_0 = var_242; [L1334] SORT_11 var_703_arg_1 = var_519; [L1335] SORT_11 var_703_arg_2 = state_282; [L1336] EXPR var_703_arg_0 ? var_703_arg_1 : var_703_arg_2 [L1336] SORT_11 var_703 = var_703_arg_0 ? var_703_arg_1 : var_703_arg_2; [L1337] SORT_1 var_704_arg_0 = input_7; [L1338] SORT_11 var_704_arg_1 = var_203; [L1339] SORT_11 var_704_arg_2 = var_703; [L1340] EXPR var_704_arg_0 ? var_704_arg_1 : var_704_arg_2 [L1340] SORT_11 var_704 = var_704_arg_0 ? var_704_arg_1 : var_704_arg_2; [L1341] SORT_11 next_705_arg_1 = var_704; [L1343] state_10 = next_584_arg_1 [L1344] state_12 = next_587_arg_1 [L1345] state_18 = next_590_arg_1 [L1346] state_24 = next_593_arg_1 [L1347] state_29 = next_596_arg_1 [L1348] state_34 = next_599_arg_1 [L1349] state_39 = next_602_arg_1 [L1350] state_44 = next_605_arg_1 [L1351] state_49 = next_608_arg_1 [L1352] state_54 = next_611_arg_1 [L1353] state_59 = next_614_arg_1 [L1354] state_64 = next_617_arg_1 [L1355] state_69 = next_620_arg_1 [L1356] state_74 = next_623_arg_1 [L1357] state_79 = next_626_arg_1 [L1358] state_84 = next_629_arg_1 [L1359] state_89 = next_632_arg_1 [L1360] state_94 = next_635_arg_1 [L1361] state_99 = next_638_arg_1 [L1362] state_105 = next_641_arg_1 [L1363] state_110 = next_644_arg_1 [L1364] state_115 = next_647_arg_1 [L1365] state_120 = next_650_arg_1 [L1366] state_125 = next_653_arg_1 [L1367] state_130 = next_656_arg_1 [L1368] state_135 = next_659_arg_1 [L1369] state_140 = next_662_arg_1 [L1370] state_146 = next_665_arg_1 [L1371] state_151 = next_668_arg_1 [L1372] state_156 = next_671_arg_1 [L1373] state_161 = next_674_arg_1 [L1374] state_167 = next_677_arg_1 [L1375] state_172 = next_680_arg_1 [L1376] state_177 = next_683_arg_1 [L1377] state_182 = next_689_arg_1 [L1378] state_190 = next_692_arg_1 [L1379] state_191 = next_695_arg_1 [L1380] state_194 = next_698_arg_1 [L1381] state_209 = next_701_arg_1 [L1382] state_213 = next_702_arg_1 [L1383] state_282 = next_705_arg_1 VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=2, input_231=1, input_4=0, input_5=1, input_6=0, input_7=1, input_8=2, input_9=255, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=255, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=128, next_584_arg_1=0, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=0, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=0, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=0, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=0, state_191=0, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=1, var_103_arg_0=1, var_103_arg_1=1, var_104=49, var_104_arg_0=1, var_104_arg_1=49, var_104_arg_2=0, var_106=14, var_107=35, var_107_arg_0=35, var_108=0, var_108_arg_0=1, var_108_arg_1=35, var_109=49, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=49, var_111=13, var_112=1, var_112_arg_0=1, var_113=1, var_113_arg_0=1, var_113_arg_1=1, var_114=1, var_114_arg_0=1, var_114_arg_1=1, var_114_arg_2=49, var_116=12, var_117=251, var_117_arg_0=251, var_118=0, var_118_arg_0=1, var_118_arg_1=251, var_119=1, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=1, var_121=11, var_122=1, var_122_arg_0=1, var_123=1, var_123_arg_0=1, var_123_arg_1=1, var_124=0, var_124_arg_0=1, var_124_arg_1=0, var_124_arg_2=1, var_126=10, var_127=1, var_127_arg_0=1, var_128=1, var_128_arg_0=1, var_128_arg_1=1, var_129=0, var_129_arg_0=1, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=1, var_132_arg_0=1, var_133=1, var_133_arg_0=1, var_133_arg_1=1, var_134=1, var_134_arg_0=1, var_134_arg_1=1, var_134_arg_2=0, var_136=8, var_137=1, var_137_arg_0=1, var_138=1, var_138_arg_0=1, var_138_arg_1=1, var_139=0, var_139_arg_0=1, var_139_arg_1=0, var_139_arg_2=1, var_14=1, var_142=7, var_143=1, var_143_arg_0=1, var_144=1, var_144_arg_0=1, var_144_arg_1=1, var_145=0, var_145_arg_0=1, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=253, var_148_arg_0=253, var_149=0, var_149_arg_0=1, var_149_arg_1=253, var_14_arg_0=255, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=250, var_153_arg_0=250, var_154=0, var_154_arg_0=1, var_154_arg_1=250, var_155=0, var_155_arg_0=0, var_155_arg_1=51, var_155_arg_2=0, var_157=4, var_158=1, var_158_arg_0=1, var_159=1, var_159_arg_0=1, var_159_arg_1=1, var_16=0, var_160=0, var_160_arg_0=1, var_160_arg_1=0, var_160_arg_2=0, var_163=3, var_164=1, var_164_arg_0=1, var_165=1, var_165_arg_0=1, var_165_arg_1=1, var_166=53, var_166_arg_0=1, var_166_arg_1=53, var_166_arg_2=0, var_168=2, var_169=1, var_169_arg_0=1, var_16_arg_0=1, var_16_arg_1=32, var_17=255, var_170=1, var_170_arg_0=1, var_170_arg_1=1, var_171=0, var_171_arg_0=1, var_171_arg_1=0, var_171_arg_2=53, var_173=1, var_174=1, var_174_arg_0=1, var_175=1, var_175_arg_0=1, var_175_arg_1=1, var_176=0, var_176_arg_0=1, var_176_arg_1=0, var_176_arg_2=0, var_178=1, var_178_arg_0=1, var_179=1, var_179_arg_0=1, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=255, var_180=0, var_180_arg_0=1, var_180_arg_1=0, var_180_arg_2=0, var_183=1, var_183_arg_0=1, var_184=4, var_184_arg_0=1, var_186=33, var_187=33, var_187_arg_0=33, var_188=0, var_188_arg_0=1, var_188_arg_1=33, var_192=238, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=238, var_195=1, var_195_arg_0=1, var_196=0, var_196_arg_0=0, var_196_arg_1=1, var_197=3, var_197_arg_0=0, var_198=0, var_198_arg_0=0, var_198_arg_1=3, var_199=0, var_199_arg_0=0, var_20=31, var_200=1, var_200_arg_0=1, var_200_arg_1=0, var_201=1, var_201_arg_0=1, var_202=0, var_202_arg_0=1, var_202_arg_1=1, var_203=0, var_204=0, var_204_arg_0=1, var_204_arg_1=0, var_204_arg_2=0, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_21=1, var_210=1, var_210_arg_0=0, var_210_arg_1=0, var_211=1, var_211_arg_0=0, var_211_arg_1=1, var_215=1, var_215_arg_0=1, var_215_arg_1=1, var_216=2, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=2, var_219=0, var_219_arg_0=0, var_21_arg_0=1, var_22=1, var_220=0, var_220_arg_0=0, var_221=0, var_221_arg_0=0, var_221_arg_1=0, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_225=64, var_225_arg_0=4, var_226=41, var_226_arg_0=1, var_227=1, var_227_arg_0=64, var_227_arg_1=41, var_228=1, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=1, var_22_arg_0=1, var_22_arg_1=1, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=2, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=2, var_23_arg_0=1, var_23_arg_1=0, var_23_arg_2=255, var_241=1, var_241_arg_0=0, var_241_arg_1=1, var_242=1, var_242_arg_0=1, var_242_arg_1=1, var_25=30, var_26=1, var_26_arg_0=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=0, var_283=32, var_283_arg_0=254, var_284=1, var_284_arg_0=32, var_285=3, var_285_arg_0=1, var_286=0, var_286_arg_0=0, var_286_arg_1=3, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=32, var_291_arg_0=32, var_292=1, var_292_arg_0=32, var_292_arg_1=32, var_293=0, var_293_arg_0=0, var_293_arg_1=1, var_298=32, var_298_arg_0=32, var_299=1, var_299_arg_0=32, var_299_arg_1=32, var_30=29, var_300=0, var_300_arg_0=0, var_300_arg_1=1, var_305=2, var_305_arg_0=2, var_306=0, var_306_arg_0=32, var_306_arg_1=2, var_307=0, var_307_arg_0=0, var_307_arg_1=0, var_31=2, var_312=255, var_312_arg_0=255, var_313=0, var_313_arg_0=32, var_313_arg_1=255, var_314=0, var_314_arg_0=0, var_314_arg_1=0, var_319=33, var_319_arg_0=33, var_31_arg_0=2, var_32=0, var_320=0, var_320_arg_0=32, var_320_arg_1=33, var_321=0, var_321_arg_0=0, var_321_arg_1=0, var_326=32, var_326_arg_0=32, var_327=1, var_327_arg_0=32, var_327_arg_1=32, var_328=0, var_328_arg_0=0, var_328_arg_1=1, var_32_arg_0=1, var_32_arg_1=2, var_33=0, var_333=32, var_333_arg_0=32, var_334=1, var_334_arg_0=32, var_334_arg_1=32, var_335=0, var_335_arg_0=0, var_335_arg_1=1, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_340=254, var_340_arg_0=254, var_341=0, var_341_arg_0=32, var_341_arg_1=254, var_342=0, var_342_arg_0=0, var_342_arg_1=0, var_347=32, var_347_arg_0=32, var_348=1, var_348_arg_0=32, var_348_arg_1=32, var_349=0, var_349_arg_0=0, var_349_arg_1=1, var_35=28, var_354=33, var_354_arg_0=33, var_355=0, var_355_arg_0=32, var_355_arg_1=33, var_356=0, var_356_arg_0=0, var_356_arg_1=0, var_36=2, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=32, var_362_arg_1=1, var_363=0, var_363_arg_0=0, var_363_arg_1=0, var_368=32, var_368_arg_0=32, var_369=1, var_369_arg_0=32, var_369_arg_1=32, var_36_arg_0=2, var_37=0, var_370=0, var_370_arg_0=0, var_370_arg_1=1, var_375=33, var_375_arg_0=33, var_376=0, var_376_arg_0=32, var_376_arg_1=33, var_377=0, var_377_arg_0=0, var_377_arg_1=0, var_37_arg_0=1, var_37_arg_1=2, var_38=0, var_382=32, var_382_arg_0=32, var_383=1, var_383_arg_0=32, var_383_arg_1=32, var_384=0, var_384_arg_0=0, var_384_arg_1=1, var_389=32, var_389_arg_0=32, var_38_arg_0=0, var_38_arg_1=0, var_38_arg_2=0, var_390=1, var_390_arg_0=32, var_390_arg_1=32, var_391=0, var_391_arg_0=0, var_391_arg_1=1, var_396=2, var_396_arg_0=2, var_397=0, var_397_arg_0=32, var_397_arg_1=2, var_398=0, var_398_arg_0=0, var_398_arg_1=0, var_40=27, var_403=235, var_403_arg_0=235, var_404=0, var_404_arg_0=32, var_404_arg_1=235, var_405=0, var_405_arg_0=0, var_405_arg_1=0, var_41=7, var_410=251, var_410_arg_0=251, var_411=0, var_411_arg_0=32, var_411_arg_1=251, var_412=0, var_412_arg_0=0, var_412_arg_1=0, var_417=237, var_417_arg_0=237, var_418=0, var_418_arg_0=32, var_418_arg_1=237, var_419=0, var_419_arg_0=0, var_419_arg_1=0, var_41_arg_0=7, var_42=0, var_424=239, var_424_arg_0=239, var_425=0, var_425_arg_0=32, var_425_arg_1=239, var_426=0, var_426_arg_0=0, var_426_arg_1=0, var_42_arg_0=1, var_42_arg_1=7, var_43=0, var_431=241, var_431_arg_0=241, var_432=0, var_432_arg_0=32, var_432_arg_1=241, var_433=0, var_433_arg_0=0, var_433_arg_1=0, var_438=253, var_438_arg_0=253, var_439=0, var_439_arg_0=32, var_439_arg_1=253, var_43_arg_0=0, var_43_arg_1=1, var_43_arg_2=0, var_440=0, var_440_arg_0=0, var_440_arg_1=0, var_445=250, var_445_arg_0=250, var_446=0, var_446_arg_0=32, var_446_arg_1=250, var_447=0, var_447_arg_0=0, var_447_arg_1=0, var_45=26, var_452=32, var_452_arg_0=32, var_453=1, var_453_arg_0=32, var_453_arg_1=32, var_454=0, var_454_arg_0=0, var_454_arg_1=1, var_459=1, var_459_arg_0=32, var_459_arg_1=32, var_46=3, var_460=0, var_460_arg_0=0, var_460_arg_1=1, var_465=32, var_465_arg_0=32, var_466=1, var_466_arg_0=32, var_466_arg_1=32, var_467=0, var_467_arg_0=0, var_467_arg_1=1, var_46_arg_0=3, var_47=0, var_472=32, var_472_arg_0=32, var_473=1, var_473_arg_0=32, var_473_arg_1=32, var_474=0, var_474_arg_0=0, var_474_arg_1=1, var_479=248, var_479_arg_0=248, var_47_arg_0=1, var_47_arg_1=3, var_48=0, var_480=0, var_480_arg_0=32, var_480_arg_1=248, var_481=0, var_481_arg_0=0, var_481_arg_1=0, var_486=249, var_486_arg_0=249, var_487=0, var_487_arg_0=32, var_487_arg_1=249, var_488=0, var_488_arg_0=0, var_488_arg_1=0, var_48_arg_0=0, var_48_arg_1=54, var_48_arg_2=0, var_493=247, var_493_arg_0=247, var_494=0, var_494_arg_0=32, var_494_arg_1=247, var_495=0, var_495_arg_0=0, var_495_arg_1=0, var_50=25, var_500=33, var_500_arg_0=33, var_501=0, var_501_arg_0=32, var_501_arg_1=33, var_502=0, var_502_arg_0=0, var_502_arg_1=0, var_507=33, var_507_arg_0=33, var_508=0, var_508_arg_0=32, var_508_arg_1=33, var_509=0, var_509_arg_0=0, var_509_arg_1=0, var_51=1, var_512=1, var_512_arg_0=1, var_513=0, var_513_arg_0=255, var_513_arg_1=1, var_518=0, var_518_arg_0=0, var_519=254, var_519_arg_0=254, var_519_arg_1=0, var_51_arg_0=1, var_52=1, var_52_arg_0=1, var_52_arg_1=1, var_53=0, var_538=0, var_538_arg_0=2, var_538_arg_1=0, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=1, var_53_arg_1=0, var_53_arg_2=0, var_542=0, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=0, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=5, var_562=1, var_562_arg_0=0, var_562_arg_1=1, var_563=1, var_563_arg_0=1, var_563_arg_1=1, var_564=1, var_564_arg_0=1, var_564_arg_1=0, var_56_arg_0=5, var_57=0, var_57_arg_0=1, var_57_arg_1=5, var_58=0, var_581=0, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=0, var_582=0, var_583=0, var_583_arg_0=1, var_583_arg_1=0, var_583_arg_2=0, var_585=0, var_585_arg_0=1, var_585_arg_1=0, var_585_arg_2=255, var_586=0, var_586_arg_0=1, var_586_arg_1=0, var_586_arg_2=0, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=1, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_591=0, var_591_arg_0=0, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=1, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=0, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=1, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=1, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=1, var_600_arg_0=0, var_600_arg_1=0, var_600_arg_2=1, var_601=0, var_601_arg_0=1, var_601_arg_1=0, var_601_arg_2=1, var_603=54, var_603_arg_0=0, var_603_arg_1=0, var_603_arg_2=54, var_604=0, var_604_arg_0=1, var_604_arg_1=0, var_604_arg_2=54, var_606=0, var_606_arg_0=0, var_606_arg_1=0, var_606_arg_2=0, var_607=0, var_607_arg_0=1, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=0, var_609_arg_1=0, var_609_arg_2=0, var_61=0, var_610=0, var_610_arg_0=1, var_610_arg_1=0, var_610_arg_2=0, var_612=0, var_612_arg_0=0, var_612_arg_1=0, var_612_arg_2=0, var_613=0, var_613_arg_0=1, var_613_arg_1=0, var_613_arg_2=0, var_615=2, var_615_arg_0=0, var_615_arg_1=0, var_615_arg_2=2, var_616=0, var_616_arg_0=1, var_616_arg_1=0, var_616_arg_2=2, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=1, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=0, var_62=0, var_621=0, var_621_arg_0=0, var_621_arg_1=0, var_621_arg_2=0, var_622=0, var_622_arg_0=1, var_622_arg_1=0, var_622_arg_2=0, var_624=0, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=0, var_625=0, var_625_arg_0=1, var_625_arg_1=0, var_625_arg_2=0, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=1, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=1, var_62_arg_1=0, var_63=0, var_630=0, var_630_arg_0=0, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=1, var_631_arg_1=0, var_631_arg_2=0, var_633=0, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=0, var_634=0, var_634_arg_0=1, var_634_arg_1=0, var_634_arg_2=0, var_636=49, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=49, var_637=0, var_637_arg_0=1, var_637_arg_1=0, var_637_arg_2=49, var_639=0, var_639_arg_0=0, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_640=0, var_640_arg_0=1, var_640_arg_1=0, var_640_arg_2=0, var_642=1, var_642_arg_0=0, var_642_arg_1=0, var_642_arg_2=1, var_643=0, var_643_arg_0=1, var_643_arg_1=0, var_643_arg_2=1, var_645=0, var_645_arg_0=0, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=1, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=1, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=0, var_651_arg_1=0, var_651_arg_2=0, var_652=0, var_652_arg_0=1, var_652_arg_1=0, var_652_arg_2=0, var_654=1, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=1, var_655=0, var_655_arg_0=1, var_655_arg_1=0, var_655_arg_2=1, var_657=0, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=0, var_658=0, var_658_arg_0=1, var_658_arg_1=0, var_658_arg_2=0, var_66=1, var_660=0, var_660_arg_0=0, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=1, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=0, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=1, var_664_arg_1=0, var_664_arg_2=0, var_666=51, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=51, var_667=0, var_667_arg_0=1, var_667_arg_1=0, var_667_arg_2=51, var_669=0, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=0, var_66_arg_0=1, var_67=1, var_670=0, var_670_arg_0=1, var_670_arg_1=0, var_670_arg_2=0, var_672=53, var_672_arg_0=0, var_672_arg_1=0, var_672_arg_2=53, var_673=0, var_673_arg_0=1, var_673_arg_1=0, var_673_arg_2=53, var_675=0, var_675_arg_0=0, var_675_arg_1=0, var_675_arg_2=0, var_676=0, var_676_arg_0=1, var_676_arg_1=0, var_676_arg_2=0, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=1, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=1, var_67_arg_1=1, var_68=2, var_681=0, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=0, var_682=0, var_682_arg_0=1, var_682_arg_1=0, var_682_arg_2=0, var_684=0, var_684_arg_0=0, var_685=1, var_685_arg_0=1, var_685_arg_1=0, var_686=1, var_686_arg_0=1, var_687=0, var_687_arg_0=1, var_687_arg_1=1, var_688=0, var_688_arg_0=1, var_688_arg_1=0, var_688_arg_2=0, var_68_arg_0=1, var_68_arg_1=2, var_68_arg_2=0, var_690=0, var_690_arg_0=0, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=1, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=0, var_694_arg_0=1, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=1, var_696_arg_1=0, var_696_arg_2=1, var_697=0, var_697_arg_0=1, var_697_arg_1=0, var_697_arg_2=0, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=1, var_700_arg_1=0, var_700_arg_2=0, var_703=254, var_703_arg_0=1, var_703_arg_1=254, var_703_arg_2=254, var_704=0, var_704_arg_0=1, var_704_arg_1=0, var_704_arg_2=254, var_71=1, var_71_arg_0=1, var_72=1, var_72_arg_0=1, var_72_arg_1=1, var_73=0, var_73_arg_0=1, var_73_arg_1=0, var_73_arg_2=2, var_75=20, var_76=2, var_76_arg_0=2, var_77=0, var_77_arg_0=1, var_77_arg_1=2, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_80=19, var_81=1, var_81_arg_0=1, var_82=1, var_82_arg_0=1, var_82_arg_1=1, var_83=0, var_83_arg_0=1, var_83_arg_1=0, var_83_arg_2=0, var_85=18, var_86=2, var_86_arg_0=2, var_87=0, var_87_arg_0=1, var_87_arg_1=2, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_90=17, var_91=2, var_91_arg_0=2, var_92=0, var_92_arg_0=1, var_92_arg_1=2, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=16, var_96=7, var_96_arg_0=7, var_97=0, var_97_arg_0=1, var_97_arg_1=7, var_98=0, var_98_arg_0=0, var_98_arg_1=0, var_98_arg_2=0] [L141] input_2 = __VERIFIER_nondet_uchar() [L142] input_4 = __VERIFIER_nondet_uchar() [L143] input_5 = __VERIFIER_nondet_uchar() [L144] input_6 = __VERIFIER_nondet_uchar() [L145] input_7 = __VERIFIER_nondet_uchar() [L146] input_7 = input_7 & mask_SORT_1 [L147] input_8 = __VERIFIER_nondet_uchar() [L148] input_9 = __VERIFIER_nondet_uchar() [L149] input_231 = __VERIFIER_nondet_uchar() [L151] SORT_1 var_215_arg_0 = input_7; [L152] SORT_1 var_215_arg_1 = state_213; [L153] SORT_1 var_215 = var_215_arg_0 == var_215_arg_1; [L154] SORT_1 var_216_arg_0 = var_173; [L155] SORT_1 var_216 = ~var_216_arg_0; [L156] SORT_1 var_217_arg_0 = var_215; [L157] SORT_1 var_217_arg_1 = var_216; [L158] SORT_1 var_217 = var_217_arg_0 | var_217_arg_1; [L159] var_217 = var_217 & mask_SORT_1 [L160] SORT_1 constr_218_arg_0 = var_217; VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=5, input_231=42, input_4=6, input_5=0, input_6=3, input_7=0, input_8=1, input_9=255, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=255, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=128, next_584_arg_1=0, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=0, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=0, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=0, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=0, state_191=0, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=1, var_103_arg_0=1, var_103_arg_1=1, var_104=49, var_104_arg_0=1, var_104_arg_1=49, var_104_arg_2=0, var_106=14, var_107=35, var_107_arg_0=35, var_108=0, var_108_arg_0=1, var_108_arg_1=35, var_109=49, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=49, var_111=13, var_112=1, var_112_arg_0=1, var_113=1, var_113_arg_0=1, var_113_arg_1=1, var_114=1, var_114_arg_0=1, var_114_arg_1=1, var_114_arg_2=49, var_116=12, var_117=251, var_117_arg_0=251, var_118=0, var_118_arg_0=1, var_118_arg_1=251, var_119=1, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=1, var_121=11, var_122=1, var_122_arg_0=1, var_123=1, var_123_arg_0=1, var_123_arg_1=1, var_124=0, var_124_arg_0=1, var_124_arg_1=0, var_124_arg_2=1, var_126=10, var_127=1, var_127_arg_0=1, var_128=1, var_128_arg_0=1, var_128_arg_1=1, var_129=0, var_129_arg_0=1, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=1, var_132_arg_0=1, var_133=1, var_133_arg_0=1, var_133_arg_1=1, var_134=1, var_134_arg_0=1, var_134_arg_1=1, var_134_arg_2=0, var_136=8, var_137=1, var_137_arg_0=1, var_138=1, var_138_arg_0=1, var_138_arg_1=1, var_139=0, var_139_arg_0=1, var_139_arg_1=0, var_139_arg_2=1, var_14=1, var_142=7, var_143=1, var_143_arg_0=1, var_144=1, var_144_arg_0=1, var_144_arg_1=1, var_145=0, var_145_arg_0=1, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=253, var_148_arg_0=253, var_149=0, var_149_arg_0=1, var_149_arg_1=253, var_14_arg_0=255, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=250, var_153_arg_0=250, var_154=0, var_154_arg_0=1, var_154_arg_1=250, var_155=0, var_155_arg_0=0, var_155_arg_1=51, var_155_arg_2=0, var_157=4, var_158=1, var_158_arg_0=1, var_159=1, var_159_arg_0=1, var_159_arg_1=1, var_16=0, var_160=0, var_160_arg_0=1, var_160_arg_1=0, var_160_arg_2=0, var_163=3, var_164=1, var_164_arg_0=1, var_165=1, var_165_arg_0=1, var_165_arg_1=1, var_166=53, var_166_arg_0=1, var_166_arg_1=53, var_166_arg_2=0, var_168=2, var_169=1, var_169_arg_0=1, var_16_arg_0=1, var_16_arg_1=32, var_17=255, var_170=1, var_170_arg_0=1, var_170_arg_1=1, var_171=0, var_171_arg_0=1, var_171_arg_1=0, var_171_arg_2=53, var_173=1, var_174=1, var_174_arg_0=1, var_175=1, var_175_arg_0=1, var_175_arg_1=1, var_176=0, var_176_arg_0=1, var_176_arg_1=0, var_176_arg_2=0, var_178=1, var_178_arg_0=1, var_179=1, var_179_arg_0=1, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=255, var_180=0, var_180_arg_0=1, var_180_arg_1=0, var_180_arg_2=0, var_183=1, var_183_arg_0=1, var_184=4, var_184_arg_0=1, var_186=33, var_187=33, var_187_arg_0=33, var_188=0, var_188_arg_0=1, var_188_arg_1=33, var_192=238, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=238, var_195=1, var_195_arg_0=1, var_196=0, var_196_arg_0=0, var_196_arg_1=1, var_197=3, var_197_arg_0=0, var_198=0, var_198_arg_0=0, var_198_arg_1=3, var_199=0, var_199_arg_0=0, var_20=31, var_200=1, var_200_arg_0=1, var_200_arg_1=0, var_201=1, var_201_arg_0=1, var_202=0, var_202_arg_0=1, var_202_arg_1=1, var_203=0, var_204=0, var_204_arg_0=1, var_204_arg_1=0, var_204_arg_2=0, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_21=1, var_210=1, var_210_arg_0=0, var_210_arg_1=0, var_211=1, var_211_arg_0=0, var_211_arg_1=1, var_215=1, var_215_arg_0=0, var_215_arg_1=0, var_216=2, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=2, var_219=0, var_219_arg_0=0, var_21_arg_0=1, var_22=1, var_220=0, var_220_arg_0=0, var_221=0, var_221_arg_0=0, var_221_arg_1=0, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_225=64, var_225_arg_0=4, var_226=41, var_226_arg_0=1, var_227=1, var_227_arg_0=64, var_227_arg_1=41, var_228=1, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=1, var_22_arg_0=1, var_22_arg_1=1, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=2, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=2, var_23_arg_0=1, var_23_arg_1=0, var_23_arg_2=255, var_241=1, var_241_arg_0=0, var_241_arg_1=1, var_242=1, var_242_arg_0=1, var_242_arg_1=1, var_25=30, var_26=1, var_26_arg_0=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=0, var_283=32, var_283_arg_0=254, var_284=1, var_284_arg_0=32, var_285=3, var_285_arg_0=1, var_286=0, var_286_arg_0=0, var_286_arg_1=3, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=32, var_291_arg_0=32, var_292=1, var_292_arg_0=32, var_292_arg_1=32, var_293=0, var_293_arg_0=0, var_293_arg_1=1, var_298=32, var_298_arg_0=32, var_299=1, var_299_arg_0=32, var_299_arg_1=32, var_30=29, var_300=0, var_300_arg_0=0, var_300_arg_1=1, var_305=2, var_305_arg_0=2, var_306=0, var_306_arg_0=32, var_306_arg_1=2, var_307=0, var_307_arg_0=0, var_307_arg_1=0, var_31=2, var_312=255, var_312_arg_0=255, var_313=0, var_313_arg_0=32, var_313_arg_1=255, var_314=0, var_314_arg_0=0, var_314_arg_1=0, var_319=33, var_319_arg_0=33, var_31_arg_0=2, var_32=0, var_320=0, var_320_arg_0=32, var_320_arg_1=33, var_321=0, var_321_arg_0=0, var_321_arg_1=0, var_326=32, var_326_arg_0=32, var_327=1, var_327_arg_0=32, var_327_arg_1=32, var_328=0, var_328_arg_0=0, var_328_arg_1=1, var_32_arg_0=1, var_32_arg_1=2, var_33=0, var_333=32, var_333_arg_0=32, var_334=1, var_334_arg_0=32, var_334_arg_1=32, var_335=0, var_335_arg_0=0, var_335_arg_1=1, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_340=254, var_340_arg_0=254, var_341=0, var_341_arg_0=32, var_341_arg_1=254, var_342=0, var_342_arg_0=0, var_342_arg_1=0, var_347=32, var_347_arg_0=32, var_348=1, var_348_arg_0=32, var_348_arg_1=32, var_349=0, var_349_arg_0=0, var_349_arg_1=1, var_35=28, var_354=33, var_354_arg_0=33, var_355=0, var_355_arg_0=32, var_355_arg_1=33, var_356=0, var_356_arg_0=0, var_356_arg_1=0, var_36=2, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=32, var_362_arg_1=1, var_363=0, var_363_arg_0=0, var_363_arg_1=0, var_368=32, var_368_arg_0=32, var_369=1, var_369_arg_0=32, var_369_arg_1=32, var_36_arg_0=2, var_37=0, var_370=0, var_370_arg_0=0, var_370_arg_1=1, var_375=33, var_375_arg_0=33, var_376=0, var_376_arg_0=32, var_376_arg_1=33, var_377=0, var_377_arg_0=0, var_377_arg_1=0, var_37_arg_0=1, var_37_arg_1=2, var_38=0, var_382=32, var_382_arg_0=32, var_383=1, var_383_arg_0=32, var_383_arg_1=32, var_384=0, var_384_arg_0=0, var_384_arg_1=1, var_389=32, var_389_arg_0=32, var_38_arg_0=0, var_38_arg_1=0, var_38_arg_2=0, var_390=1, var_390_arg_0=32, var_390_arg_1=32, var_391=0, var_391_arg_0=0, var_391_arg_1=1, var_396=2, var_396_arg_0=2, var_397=0, var_397_arg_0=32, var_397_arg_1=2, var_398=0, var_398_arg_0=0, var_398_arg_1=0, var_40=27, var_403=235, var_403_arg_0=235, var_404=0, var_404_arg_0=32, var_404_arg_1=235, var_405=0, var_405_arg_0=0, var_405_arg_1=0, var_41=7, var_410=251, var_410_arg_0=251, var_411=0, var_411_arg_0=32, var_411_arg_1=251, var_412=0, var_412_arg_0=0, var_412_arg_1=0, var_417=237, var_417_arg_0=237, var_418=0, var_418_arg_0=32, var_418_arg_1=237, var_419=0, var_419_arg_0=0, var_419_arg_1=0, var_41_arg_0=7, var_42=0, var_424=239, var_424_arg_0=239, var_425=0, var_425_arg_0=32, var_425_arg_1=239, var_426=0, var_426_arg_0=0, var_426_arg_1=0, var_42_arg_0=1, var_42_arg_1=7, var_43=0, var_431=241, var_431_arg_0=241, var_432=0, var_432_arg_0=32, var_432_arg_1=241, var_433=0, var_433_arg_0=0, var_433_arg_1=0, var_438=253, var_438_arg_0=253, var_439=0, var_439_arg_0=32, var_439_arg_1=253, var_43_arg_0=0, var_43_arg_1=1, var_43_arg_2=0, var_440=0, var_440_arg_0=0, var_440_arg_1=0, var_445=250, var_445_arg_0=250, var_446=0, var_446_arg_0=32, var_446_arg_1=250, var_447=0, var_447_arg_0=0, var_447_arg_1=0, var_45=26, var_452=32, var_452_arg_0=32, var_453=1, var_453_arg_0=32, var_453_arg_1=32, var_454=0, var_454_arg_0=0, var_454_arg_1=1, var_459=1, var_459_arg_0=32, var_459_arg_1=32, var_46=3, var_460=0, var_460_arg_0=0, var_460_arg_1=1, var_465=32, var_465_arg_0=32, var_466=1, var_466_arg_0=32, var_466_arg_1=32, var_467=0, var_467_arg_0=0, var_467_arg_1=1, var_46_arg_0=3, var_47=0, var_472=32, var_472_arg_0=32, var_473=1, var_473_arg_0=32, var_473_arg_1=32, var_474=0, var_474_arg_0=0, var_474_arg_1=1, var_479=248, var_479_arg_0=248, var_47_arg_0=1, var_47_arg_1=3, var_48=0, var_480=0, var_480_arg_0=32, var_480_arg_1=248, var_481=0, var_481_arg_0=0, var_481_arg_1=0, var_486=249, var_486_arg_0=249, var_487=0, var_487_arg_0=32, var_487_arg_1=249, var_488=0, var_488_arg_0=0, var_488_arg_1=0, var_48_arg_0=0, var_48_arg_1=54, var_48_arg_2=0, var_493=247, var_493_arg_0=247, var_494=0, var_494_arg_0=32, var_494_arg_1=247, var_495=0, var_495_arg_0=0, var_495_arg_1=0, var_50=25, var_500=33, var_500_arg_0=33, var_501=0, var_501_arg_0=32, var_501_arg_1=33, var_502=0, var_502_arg_0=0, var_502_arg_1=0, var_507=33, var_507_arg_0=33, var_508=0, var_508_arg_0=32, var_508_arg_1=33, var_509=0, var_509_arg_0=0, var_509_arg_1=0, var_51=1, var_512=1, var_512_arg_0=1, var_513=0, var_513_arg_0=255, var_513_arg_1=1, var_518=0, var_518_arg_0=0, var_519=254, var_519_arg_0=254, var_519_arg_1=0, var_51_arg_0=1, var_52=1, var_52_arg_0=1, var_52_arg_1=1, var_53=0, var_538=0, var_538_arg_0=2, var_538_arg_1=0, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=1, var_53_arg_1=0, var_53_arg_2=0, var_542=0, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=0, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=5, var_562=1, var_562_arg_0=0, var_562_arg_1=1, var_563=1, var_563_arg_0=1, var_563_arg_1=1, var_564=1, var_564_arg_0=1, var_564_arg_1=0, var_56_arg_0=5, var_57=0, var_57_arg_0=1, var_57_arg_1=5, var_58=0, var_581=0, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=0, var_582=0, var_583=0, var_583_arg_0=1, var_583_arg_1=0, var_583_arg_2=0, var_585=0, var_585_arg_0=1, var_585_arg_1=0, var_585_arg_2=255, var_586=0, var_586_arg_0=1, var_586_arg_1=0, var_586_arg_2=0, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=1, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_591=0, var_591_arg_0=0, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=1, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=0, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=1, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=1, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=1, var_600_arg_0=0, var_600_arg_1=0, var_600_arg_2=1, var_601=0, var_601_arg_0=1, var_601_arg_1=0, var_601_arg_2=1, var_603=54, var_603_arg_0=0, var_603_arg_1=0, var_603_arg_2=54, var_604=0, var_604_arg_0=1, var_604_arg_1=0, var_604_arg_2=54, var_606=0, var_606_arg_0=0, var_606_arg_1=0, var_606_arg_2=0, var_607=0, var_607_arg_0=1, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=0, var_609_arg_1=0, var_609_arg_2=0, var_61=0, var_610=0, var_610_arg_0=1, var_610_arg_1=0, var_610_arg_2=0, var_612=0, var_612_arg_0=0, var_612_arg_1=0, var_612_arg_2=0, var_613=0, var_613_arg_0=1, var_613_arg_1=0, var_613_arg_2=0, var_615=2, var_615_arg_0=0, var_615_arg_1=0, var_615_arg_2=2, var_616=0, var_616_arg_0=1, var_616_arg_1=0, var_616_arg_2=2, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=1, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=0, var_62=0, var_621=0, var_621_arg_0=0, var_621_arg_1=0, var_621_arg_2=0, var_622=0, var_622_arg_0=1, var_622_arg_1=0, var_622_arg_2=0, var_624=0, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=0, var_625=0, var_625_arg_0=1, var_625_arg_1=0, var_625_arg_2=0, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=1, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=1, var_62_arg_1=0, var_63=0, var_630=0, var_630_arg_0=0, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=1, var_631_arg_1=0, var_631_arg_2=0, var_633=0, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=0, var_634=0, var_634_arg_0=1, var_634_arg_1=0, var_634_arg_2=0, var_636=49, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=49, var_637=0, var_637_arg_0=1, var_637_arg_1=0, var_637_arg_2=49, var_639=0, var_639_arg_0=0, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_640=0, var_640_arg_0=1, var_640_arg_1=0, var_640_arg_2=0, var_642=1, var_642_arg_0=0, var_642_arg_1=0, var_642_arg_2=1, var_643=0, var_643_arg_0=1, var_643_arg_1=0, var_643_arg_2=1, var_645=0, var_645_arg_0=0, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=1, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=1, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=0, var_651_arg_1=0, var_651_arg_2=0, var_652=0, var_652_arg_0=1, var_652_arg_1=0, var_652_arg_2=0, var_654=1, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=1, var_655=0, var_655_arg_0=1, var_655_arg_1=0, var_655_arg_2=1, var_657=0, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=0, var_658=0, var_658_arg_0=1, var_658_arg_1=0, var_658_arg_2=0, var_66=1, var_660=0, var_660_arg_0=0, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=1, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=0, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=1, var_664_arg_1=0, var_664_arg_2=0, var_666=51, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=51, var_667=0, var_667_arg_0=1, var_667_arg_1=0, var_667_arg_2=51, var_669=0, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=0, var_66_arg_0=1, var_67=1, var_670=0, var_670_arg_0=1, var_670_arg_1=0, var_670_arg_2=0, var_672=53, var_672_arg_0=0, var_672_arg_1=0, var_672_arg_2=53, var_673=0, var_673_arg_0=1, var_673_arg_1=0, var_673_arg_2=53, var_675=0, var_675_arg_0=0, var_675_arg_1=0, var_675_arg_2=0, var_676=0, var_676_arg_0=1, var_676_arg_1=0, var_676_arg_2=0, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=1, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=1, var_67_arg_1=1, var_68=2, var_681=0, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=0, var_682=0, var_682_arg_0=1, var_682_arg_1=0, var_682_arg_2=0, var_684=0, var_684_arg_0=0, var_685=1, var_685_arg_0=1, var_685_arg_1=0, var_686=1, var_686_arg_0=1, var_687=0, var_687_arg_0=1, var_687_arg_1=1, var_688=0, var_688_arg_0=1, var_688_arg_1=0, var_688_arg_2=0, var_68_arg_0=1, var_68_arg_1=2, var_68_arg_2=0, var_690=0, var_690_arg_0=0, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=1, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=0, var_694_arg_0=1, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=1, var_696_arg_1=0, var_696_arg_2=1, var_697=0, var_697_arg_0=1, var_697_arg_1=0, var_697_arg_2=0, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=1, var_700_arg_1=0, var_700_arg_2=0, var_703=254, var_703_arg_0=1, var_703_arg_1=254, var_703_arg_2=254, var_704=0, var_704_arg_0=1, var_704_arg_1=0, var_704_arg_2=254, var_71=1, var_71_arg_0=1, var_72=1, var_72_arg_0=1, var_72_arg_1=1, var_73=0, var_73_arg_0=1, var_73_arg_1=0, var_73_arg_2=2, var_75=20, var_76=2, var_76_arg_0=2, var_77=0, var_77_arg_0=1, var_77_arg_1=2, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_80=19, var_81=1, var_81_arg_0=1, var_82=1, var_82_arg_0=1, var_82_arg_1=1, var_83=0, var_83_arg_0=1, var_83_arg_1=0, var_83_arg_2=0, var_85=18, var_86=2, var_86_arg_0=2, var_87=0, var_87_arg_0=1, var_87_arg_1=2, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_90=17, var_91=2, var_91_arg_0=2, var_92=0, var_92_arg_0=1, var_92_arg_1=2, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=16, var_96=7, var_96_arg_0=7, var_97=0, var_97_arg_0=1, var_97_arg_1=7, var_98=0, var_98_arg_0=0, var_98_arg_1=0, var_98_arg_2=0] [L161] CALL assume_abort_if_not(constr_218_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L161] RET assume_abort_if_not(constr_218_arg_0) VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=5, input_231=42, input_4=6, input_5=0, input_6=3, input_7=0, input_8=1, input_9=255, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=255, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=128, next_584_arg_1=0, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=0, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=0, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=0, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=0, state_191=0, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=1, var_103_arg_0=1, var_103_arg_1=1, var_104=49, var_104_arg_0=1, var_104_arg_1=49, var_104_arg_2=0, var_106=14, var_107=35, var_107_arg_0=35, var_108=0, var_108_arg_0=1, var_108_arg_1=35, var_109=49, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=49, var_111=13, var_112=1, var_112_arg_0=1, var_113=1, var_113_arg_0=1, var_113_arg_1=1, var_114=1, var_114_arg_0=1, var_114_arg_1=1, var_114_arg_2=49, var_116=12, var_117=251, var_117_arg_0=251, var_118=0, var_118_arg_0=1, var_118_arg_1=251, var_119=1, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=1, var_121=11, var_122=1, var_122_arg_0=1, var_123=1, var_123_arg_0=1, var_123_arg_1=1, var_124=0, var_124_arg_0=1, var_124_arg_1=0, var_124_arg_2=1, var_126=10, var_127=1, var_127_arg_0=1, var_128=1, var_128_arg_0=1, var_128_arg_1=1, var_129=0, var_129_arg_0=1, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=1, var_132_arg_0=1, var_133=1, var_133_arg_0=1, var_133_arg_1=1, var_134=1, var_134_arg_0=1, var_134_arg_1=1, var_134_arg_2=0, var_136=8, var_137=1, var_137_arg_0=1, var_138=1, var_138_arg_0=1, var_138_arg_1=1, var_139=0, var_139_arg_0=1, var_139_arg_1=0, var_139_arg_2=1, var_14=1, var_142=7, var_143=1, var_143_arg_0=1, var_144=1, var_144_arg_0=1, var_144_arg_1=1, var_145=0, var_145_arg_0=1, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=253, var_148_arg_0=253, var_149=0, var_149_arg_0=1, var_149_arg_1=253, var_14_arg_0=255, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=250, var_153_arg_0=250, var_154=0, var_154_arg_0=1, var_154_arg_1=250, var_155=0, var_155_arg_0=0, var_155_arg_1=51, var_155_arg_2=0, var_157=4, var_158=1, var_158_arg_0=1, var_159=1, var_159_arg_0=1, var_159_arg_1=1, var_16=0, var_160=0, var_160_arg_0=1, var_160_arg_1=0, var_160_arg_2=0, var_163=3, var_164=1, var_164_arg_0=1, var_165=1, var_165_arg_0=1, var_165_arg_1=1, var_166=53, var_166_arg_0=1, var_166_arg_1=53, var_166_arg_2=0, var_168=2, var_169=1, var_169_arg_0=1, var_16_arg_0=1, var_16_arg_1=32, var_17=255, var_170=1, var_170_arg_0=1, var_170_arg_1=1, var_171=0, var_171_arg_0=1, var_171_arg_1=0, var_171_arg_2=53, var_173=1, var_174=1, var_174_arg_0=1, var_175=1, var_175_arg_0=1, var_175_arg_1=1, var_176=0, var_176_arg_0=1, var_176_arg_1=0, var_176_arg_2=0, var_178=1, var_178_arg_0=1, var_179=1, var_179_arg_0=1, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=255, var_180=0, var_180_arg_0=1, var_180_arg_1=0, var_180_arg_2=0, var_183=1, var_183_arg_0=1, var_184=4, var_184_arg_0=1, var_186=33, var_187=33, var_187_arg_0=33, var_188=0, var_188_arg_0=1, var_188_arg_1=33, var_192=238, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=238, var_195=1, var_195_arg_0=1, var_196=0, var_196_arg_0=0, var_196_arg_1=1, var_197=3, var_197_arg_0=0, var_198=0, var_198_arg_0=0, var_198_arg_1=3, var_199=0, var_199_arg_0=0, var_20=31, var_200=1, var_200_arg_0=1, var_200_arg_1=0, var_201=1, var_201_arg_0=1, var_202=0, var_202_arg_0=1, var_202_arg_1=1, var_203=0, var_204=0, var_204_arg_0=1, var_204_arg_1=0, var_204_arg_2=0, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_21=1, var_210=1, var_210_arg_0=0, var_210_arg_1=0, var_211=1, var_211_arg_0=0, var_211_arg_1=1, var_215=1, var_215_arg_0=0, var_215_arg_1=0, var_216=2, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=2, var_219=0, var_219_arg_0=0, var_21_arg_0=1, var_22=1, var_220=0, var_220_arg_0=0, var_221=0, var_221_arg_0=0, var_221_arg_1=0, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_225=64, var_225_arg_0=4, var_226=41, var_226_arg_0=1, var_227=1, var_227_arg_0=64, var_227_arg_1=41, var_228=1, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=1, var_22_arg_0=1, var_22_arg_1=1, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=2, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=2, var_23_arg_0=1, var_23_arg_1=0, var_23_arg_2=255, var_241=1, var_241_arg_0=0, var_241_arg_1=1, var_242=1, var_242_arg_0=1, var_242_arg_1=1, var_25=30, var_26=1, var_26_arg_0=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=0, var_283=32, var_283_arg_0=254, var_284=1, var_284_arg_0=32, var_285=3, var_285_arg_0=1, var_286=0, var_286_arg_0=0, var_286_arg_1=3, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=32, var_291_arg_0=32, var_292=1, var_292_arg_0=32, var_292_arg_1=32, var_293=0, var_293_arg_0=0, var_293_arg_1=1, var_298=32, var_298_arg_0=32, var_299=1, var_299_arg_0=32, var_299_arg_1=32, var_30=29, var_300=0, var_300_arg_0=0, var_300_arg_1=1, var_305=2, var_305_arg_0=2, var_306=0, var_306_arg_0=32, var_306_arg_1=2, var_307=0, var_307_arg_0=0, var_307_arg_1=0, var_31=2, var_312=255, var_312_arg_0=255, var_313=0, var_313_arg_0=32, var_313_arg_1=255, var_314=0, var_314_arg_0=0, var_314_arg_1=0, var_319=33, var_319_arg_0=33, var_31_arg_0=2, var_32=0, var_320=0, var_320_arg_0=32, var_320_arg_1=33, var_321=0, var_321_arg_0=0, var_321_arg_1=0, var_326=32, var_326_arg_0=32, var_327=1, var_327_arg_0=32, var_327_arg_1=32, var_328=0, var_328_arg_0=0, var_328_arg_1=1, var_32_arg_0=1, var_32_arg_1=2, var_33=0, var_333=32, var_333_arg_0=32, var_334=1, var_334_arg_0=32, var_334_arg_1=32, var_335=0, var_335_arg_0=0, var_335_arg_1=1, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_340=254, var_340_arg_0=254, var_341=0, var_341_arg_0=32, var_341_arg_1=254, var_342=0, var_342_arg_0=0, var_342_arg_1=0, var_347=32, var_347_arg_0=32, var_348=1, var_348_arg_0=32, var_348_arg_1=32, var_349=0, var_349_arg_0=0, var_349_arg_1=1, var_35=28, var_354=33, var_354_arg_0=33, var_355=0, var_355_arg_0=32, var_355_arg_1=33, var_356=0, var_356_arg_0=0, var_356_arg_1=0, var_36=2, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=32, var_362_arg_1=1, var_363=0, var_363_arg_0=0, var_363_arg_1=0, var_368=32, var_368_arg_0=32, var_369=1, var_369_arg_0=32, var_369_arg_1=32, var_36_arg_0=2, var_37=0, var_370=0, var_370_arg_0=0, var_370_arg_1=1, var_375=33, var_375_arg_0=33, var_376=0, var_376_arg_0=32, var_376_arg_1=33, var_377=0, var_377_arg_0=0, var_377_arg_1=0, var_37_arg_0=1, var_37_arg_1=2, var_38=0, var_382=32, var_382_arg_0=32, var_383=1, var_383_arg_0=32, var_383_arg_1=32, var_384=0, var_384_arg_0=0, var_384_arg_1=1, var_389=32, var_389_arg_0=32, var_38_arg_0=0, var_38_arg_1=0, var_38_arg_2=0, var_390=1, var_390_arg_0=32, var_390_arg_1=32, var_391=0, var_391_arg_0=0, var_391_arg_1=1, var_396=2, var_396_arg_0=2, var_397=0, var_397_arg_0=32, var_397_arg_1=2, var_398=0, var_398_arg_0=0, var_398_arg_1=0, var_40=27, var_403=235, var_403_arg_0=235, var_404=0, var_404_arg_0=32, var_404_arg_1=235, var_405=0, var_405_arg_0=0, var_405_arg_1=0, var_41=7, var_410=251, var_410_arg_0=251, var_411=0, var_411_arg_0=32, var_411_arg_1=251, var_412=0, var_412_arg_0=0, var_412_arg_1=0, var_417=237, var_417_arg_0=237, var_418=0, var_418_arg_0=32, var_418_arg_1=237, var_419=0, var_419_arg_0=0, var_419_arg_1=0, var_41_arg_0=7, var_42=0, var_424=239, var_424_arg_0=239, var_425=0, var_425_arg_0=32, var_425_arg_1=239, var_426=0, var_426_arg_0=0, var_426_arg_1=0, var_42_arg_0=1, var_42_arg_1=7, var_43=0, var_431=241, var_431_arg_0=241, var_432=0, var_432_arg_0=32, var_432_arg_1=241, var_433=0, var_433_arg_0=0, var_433_arg_1=0, var_438=253, var_438_arg_0=253, var_439=0, var_439_arg_0=32, var_439_arg_1=253, var_43_arg_0=0, var_43_arg_1=1, var_43_arg_2=0, var_440=0, var_440_arg_0=0, var_440_arg_1=0, var_445=250, var_445_arg_0=250, var_446=0, var_446_arg_0=32, var_446_arg_1=250, var_447=0, var_447_arg_0=0, var_447_arg_1=0, var_45=26, var_452=32, var_452_arg_0=32, var_453=1, var_453_arg_0=32, var_453_arg_1=32, var_454=0, var_454_arg_0=0, var_454_arg_1=1, var_459=1, var_459_arg_0=32, var_459_arg_1=32, var_46=3, var_460=0, var_460_arg_0=0, var_460_arg_1=1, var_465=32, var_465_arg_0=32, var_466=1, var_466_arg_0=32, var_466_arg_1=32, var_467=0, var_467_arg_0=0, var_467_arg_1=1, var_46_arg_0=3, var_47=0, var_472=32, var_472_arg_0=32, var_473=1, var_473_arg_0=32, var_473_arg_1=32, var_474=0, var_474_arg_0=0, var_474_arg_1=1, var_479=248, var_479_arg_0=248, var_47_arg_0=1, var_47_arg_1=3, var_48=0, var_480=0, var_480_arg_0=32, var_480_arg_1=248, var_481=0, var_481_arg_0=0, var_481_arg_1=0, var_486=249, var_486_arg_0=249, var_487=0, var_487_arg_0=32, var_487_arg_1=249, var_488=0, var_488_arg_0=0, var_488_arg_1=0, var_48_arg_0=0, var_48_arg_1=54, var_48_arg_2=0, var_493=247, var_493_arg_0=247, var_494=0, var_494_arg_0=32, var_494_arg_1=247, var_495=0, var_495_arg_0=0, var_495_arg_1=0, var_50=25, var_500=33, var_500_arg_0=33, var_501=0, var_501_arg_0=32, var_501_arg_1=33, var_502=0, var_502_arg_0=0, var_502_arg_1=0, var_507=33, var_507_arg_0=33, var_508=0, var_508_arg_0=32, var_508_arg_1=33, var_509=0, var_509_arg_0=0, var_509_arg_1=0, var_51=1, var_512=1, var_512_arg_0=1, var_513=0, var_513_arg_0=255, var_513_arg_1=1, var_518=0, var_518_arg_0=0, var_519=254, var_519_arg_0=254, var_519_arg_1=0, var_51_arg_0=1, var_52=1, var_52_arg_0=1, var_52_arg_1=1, var_53=0, var_538=0, var_538_arg_0=2, var_538_arg_1=0, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=1, var_53_arg_1=0, var_53_arg_2=0, var_542=0, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=0, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=5, var_562=1, var_562_arg_0=0, var_562_arg_1=1, var_563=1, var_563_arg_0=1, var_563_arg_1=1, var_564=1, var_564_arg_0=1, var_564_arg_1=0, var_56_arg_0=5, var_57=0, var_57_arg_0=1, var_57_arg_1=5, var_58=0, var_581=0, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=0, var_582=0, var_583=0, var_583_arg_0=1, var_583_arg_1=0, var_583_arg_2=0, var_585=0, var_585_arg_0=1, var_585_arg_1=0, var_585_arg_2=255, var_586=0, var_586_arg_0=1, var_586_arg_1=0, var_586_arg_2=0, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=1, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_591=0, var_591_arg_0=0, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=1, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=0, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=1, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=1, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=1, var_600_arg_0=0, var_600_arg_1=0, var_600_arg_2=1, var_601=0, var_601_arg_0=1, var_601_arg_1=0, var_601_arg_2=1, var_603=54, var_603_arg_0=0, var_603_arg_1=0, var_603_arg_2=54, var_604=0, var_604_arg_0=1, var_604_arg_1=0, var_604_arg_2=54, var_606=0, var_606_arg_0=0, var_606_arg_1=0, var_606_arg_2=0, var_607=0, var_607_arg_0=1, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=0, var_609_arg_1=0, var_609_arg_2=0, var_61=0, var_610=0, var_610_arg_0=1, var_610_arg_1=0, var_610_arg_2=0, var_612=0, var_612_arg_0=0, var_612_arg_1=0, var_612_arg_2=0, var_613=0, var_613_arg_0=1, var_613_arg_1=0, var_613_arg_2=0, var_615=2, var_615_arg_0=0, var_615_arg_1=0, var_615_arg_2=2, var_616=0, var_616_arg_0=1, var_616_arg_1=0, var_616_arg_2=2, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=1, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=0, var_62=0, var_621=0, var_621_arg_0=0, var_621_arg_1=0, var_621_arg_2=0, var_622=0, var_622_arg_0=1, var_622_arg_1=0, var_622_arg_2=0, var_624=0, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=0, var_625=0, var_625_arg_0=1, var_625_arg_1=0, var_625_arg_2=0, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=1, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=1, var_62_arg_1=0, var_63=0, var_630=0, var_630_arg_0=0, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=1, var_631_arg_1=0, var_631_arg_2=0, var_633=0, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=0, var_634=0, var_634_arg_0=1, var_634_arg_1=0, var_634_arg_2=0, var_636=49, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=49, var_637=0, var_637_arg_0=1, var_637_arg_1=0, var_637_arg_2=49, var_639=0, var_639_arg_0=0, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_640=0, var_640_arg_0=1, var_640_arg_1=0, var_640_arg_2=0, var_642=1, var_642_arg_0=0, var_642_arg_1=0, var_642_arg_2=1, var_643=0, var_643_arg_0=1, var_643_arg_1=0, var_643_arg_2=1, var_645=0, var_645_arg_0=0, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=1, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=1, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=0, var_651_arg_1=0, var_651_arg_2=0, var_652=0, var_652_arg_0=1, var_652_arg_1=0, var_652_arg_2=0, var_654=1, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=1, var_655=0, var_655_arg_0=1, var_655_arg_1=0, var_655_arg_2=1, var_657=0, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=0, var_658=0, var_658_arg_0=1, var_658_arg_1=0, var_658_arg_2=0, var_66=1, var_660=0, var_660_arg_0=0, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=1, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=0, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=1, var_664_arg_1=0, var_664_arg_2=0, var_666=51, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=51, var_667=0, var_667_arg_0=1, var_667_arg_1=0, var_667_arg_2=51, var_669=0, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=0, var_66_arg_0=1, var_67=1, var_670=0, var_670_arg_0=1, var_670_arg_1=0, var_670_arg_2=0, var_672=53, var_672_arg_0=0, var_672_arg_1=0, var_672_arg_2=53, var_673=0, var_673_arg_0=1, var_673_arg_1=0, var_673_arg_2=53, var_675=0, var_675_arg_0=0, var_675_arg_1=0, var_675_arg_2=0, var_676=0, var_676_arg_0=1, var_676_arg_1=0, var_676_arg_2=0, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=1, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=1, var_67_arg_1=1, var_68=2, var_681=0, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=0, var_682=0, var_682_arg_0=1, var_682_arg_1=0, var_682_arg_2=0, var_684=0, var_684_arg_0=0, var_685=1, var_685_arg_0=1, var_685_arg_1=0, var_686=1, var_686_arg_0=1, var_687=0, var_687_arg_0=1, var_687_arg_1=1, var_688=0, var_688_arg_0=1, var_688_arg_1=0, var_688_arg_2=0, var_68_arg_0=1, var_68_arg_1=2, var_68_arg_2=0, var_690=0, var_690_arg_0=0, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=1, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=0, var_694_arg_0=1, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=1, var_696_arg_1=0, var_696_arg_2=1, var_697=0, var_697_arg_0=1, var_697_arg_1=0, var_697_arg_2=0, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=1, var_700_arg_1=0, var_700_arg_2=0, var_703=254, var_703_arg_0=1, var_703_arg_1=254, var_703_arg_2=254, var_704=0, var_704_arg_0=1, var_704_arg_1=0, var_704_arg_2=254, var_71=1, var_71_arg_0=1, var_72=1, var_72_arg_0=1, var_72_arg_1=1, var_73=0, var_73_arg_0=1, var_73_arg_1=0, var_73_arg_2=2, var_75=20, var_76=2, var_76_arg_0=2, var_77=0, var_77_arg_0=1, var_77_arg_1=2, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_80=19, var_81=1, var_81_arg_0=1, var_82=1, var_82_arg_0=1, var_82_arg_1=1, var_83=0, var_83_arg_0=1, var_83_arg_1=0, var_83_arg_2=0, var_85=18, var_86=2, var_86_arg_0=2, var_87=0, var_87_arg_0=1, var_87_arg_1=2, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_90=17, var_91=2, var_91_arg_0=2, var_92=0, var_92_arg_0=1, var_92_arg_1=2, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=16, var_96=7, var_96_arg_0=7, var_97=0, var_97_arg_0=1, var_97_arg_1=7, var_98=0, var_98_arg_0=0, var_98_arg_1=0, var_98_arg_2=0] [L162] SORT_13 var_187_arg_0 = var_186; [L163] var_187_arg_0 = var_187_arg_0 & mask_SORT_13 [L164] SORT_11 var_187 = var_187_arg_0; [L165] SORT_11 var_188_arg_0 = state_182; [L166] SORT_11 var_188_arg_1 = var_187; [L167] SORT_1 var_188 = var_188_arg_0 == var_188_arg_1; [L168] SORT_1 var_219_arg_0 = var_188; [L169] SORT_1 var_219 = ~var_219_arg_0; [L170] SORT_1 var_220_arg_0 = input_6; [L171] SORT_1 var_220 = ~var_220_arg_0; [L172] SORT_1 var_221_arg_0 = var_219; [L173] SORT_1 var_221_arg_1 = var_220; [L174] SORT_1 var_221 = var_221_arg_0 | var_221_arg_1; [L175] SORT_1 var_222_arg_0 = var_173; [L176] SORT_1 var_222 = ~var_222_arg_0; [L177] SORT_1 var_223_arg_0 = var_221; [L178] SORT_1 var_223_arg_1 = var_222; [L179] SORT_1 var_223 = var_223_arg_0 | var_223_arg_1; [L180] var_223 = var_223 & mask_SORT_1 [L181] SORT_1 constr_224_arg_0 = var_223; VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=5, input_231=42, input_4=6, input_5=0, input_6=3, input_7=0, input_8=1, input_9=255, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=255, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=128, next_584_arg_1=0, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=0, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=0, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=0, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=0, state_191=0, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=1, var_103_arg_0=1, var_103_arg_1=1, var_104=49, var_104_arg_0=1, var_104_arg_1=49, var_104_arg_2=0, var_106=14, var_107=35, var_107_arg_0=35, var_108=0, var_108_arg_0=1, var_108_arg_1=35, var_109=49, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=49, var_111=13, var_112=1, var_112_arg_0=1, var_113=1, var_113_arg_0=1, var_113_arg_1=1, var_114=1, var_114_arg_0=1, var_114_arg_1=1, var_114_arg_2=49, var_116=12, var_117=251, var_117_arg_0=251, var_118=0, var_118_arg_0=1, var_118_arg_1=251, var_119=1, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=1, var_121=11, var_122=1, var_122_arg_0=1, var_123=1, var_123_arg_0=1, var_123_arg_1=1, var_124=0, var_124_arg_0=1, var_124_arg_1=0, var_124_arg_2=1, var_126=10, var_127=1, var_127_arg_0=1, var_128=1, var_128_arg_0=1, var_128_arg_1=1, var_129=0, var_129_arg_0=1, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=1, var_132_arg_0=1, var_133=1, var_133_arg_0=1, var_133_arg_1=1, var_134=1, var_134_arg_0=1, var_134_arg_1=1, var_134_arg_2=0, var_136=8, var_137=1, var_137_arg_0=1, var_138=1, var_138_arg_0=1, var_138_arg_1=1, var_139=0, var_139_arg_0=1, var_139_arg_1=0, var_139_arg_2=1, var_14=1, var_142=7, var_143=1, var_143_arg_0=1, var_144=1, var_144_arg_0=1, var_144_arg_1=1, var_145=0, var_145_arg_0=1, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=253, var_148_arg_0=253, var_149=0, var_149_arg_0=1, var_149_arg_1=253, var_14_arg_0=255, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=250, var_153_arg_0=250, var_154=0, var_154_arg_0=1, var_154_arg_1=250, var_155=0, var_155_arg_0=0, var_155_arg_1=51, var_155_arg_2=0, var_157=4, var_158=1, var_158_arg_0=1, var_159=1, var_159_arg_0=1, var_159_arg_1=1, var_16=0, var_160=0, var_160_arg_0=1, var_160_arg_1=0, var_160_arg_2=0, var_163=3, var_164=1, var_164_arg_0=1, var_165=1, var_165_arg_0=1, var_165_arg_1=1, var_166=53, var_166_arg_0=1, var_166_arg_1=53, var_166_arg_2=0, var_168=2, var_169=1, var_169_arg_0=1, var_16_arg_0=1, var_16_arg_1=32, var_17=255, var_170=1, var_170_arg_0=1, var_170_arg_1=1, var_171=0, var_171_arg_0=1, var_171_arg_1=0, var_171_arg_2=53, var_173=1, var_174=1, var_174_arg_0=1, var_175=1, var_175_arg_0=1, var_175_arg_1=1, var_176=0, var_176_arg_0=1, var_176_arg_1=0, var_176_arg_2=0, var_178=1, var_178_arg_0=1, var_179=1, var_179_arg_0=1, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=255, var_180=0, var_180_arg_0=1, var_180_arg_1=0, var_180_arg_2=0, var_183=1, var_183_arg_0=1, var_184=4, var_184_arg_0=1, var_186=33, var_187=0, var_187_arg_0=0, var_188=1, var_188_arg_0=0, var_188_arg_1=0, var_192=238, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=238, var_195=1, var_195_arg_0=1, var_196=0, var_196_arg_0=0, var_196_arg_1=1, var_197=3, var_197_arg_0=0, var_198=0, var_198_arg_0=0, var_198_arg_1=3, var_199=0, var_199_arg_0=0, var_20=31, var_200=1, var_200_arg_0=1, var_200_arg_1=0, var_201=1, var_201_arg_0=1, var_202=0, var_202_arg_0=1, var_202_arg_1=1, var_203=0, var_204=0, var_204_arg_0=1, var_204_arg_1=0, var_204_arg_2=0, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_21=1, var_210=1, var_210_arg_0=0, var_210_arg_1=0, var_211=1, var_211_arg_0=0, var_211_arg_1=1, var_215=1, var_215_arg_0=0, var_215_arg_1=0, var_216=2, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=2, var_219=0, var_219_arg_0=1, var_21_arg_0=1, var_22=1, var_220=37, var_220_arg_0=3, var_221=0, var_221_arg_0=0, var_221_arg_1=37, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_225=64, var_225_arg_0=4, var_226=41, var_226_arg_0=1, var_227=1, var_227_arg_0=64, var_227_arg_1=41, var_228=1, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=1, var_22_arg_0=1, var_22_arg_1=1, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=2, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=2, var_23_arg_0=1, var_23_arg_1=0, var_23_arg_2=255, var_241=1, var_241_arg_0=0, var_241_arg_1=1, var_242=1, var_242_arg_0=1, var_242_arg_1=1, var_25=30, var_26=1, var_26_arg_0=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=0, var_283=32, var_283_arg_0=254, var_284=1, var_284_arg_0=32, var_285=3, var_285_arg_0=1, var_286=0, var_286_arg_0=0, var_286_arg_1=3, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=32, var_291_arg_0=32, var_292=1, var_292_arg_0=32, var_292_arg_1=32, var_293=0, var_293_arg_0=0, var_293_arg_1=1, var_298=32, var_298_arg_0=32, var_299=1, var_299_arg_0=32, var_299_arg_1=32, var_30=29, var_300=0, var_300_arg_0=0, var_300_arg_1=1, var_305=2, var_305_arg_0=2, var_306=0, var_306_arg_0=32, var_306_arg_1=2, var_307=0, var_307_arg_0=0, var_307_arg_1=0, var_31=2, var_312=255, var_312_arg_0=255, var_313=0, var_313_arg_0=32, var_313_arg_1=255, var_314=0, var_314_arg_0=0, var_314_arg_1=0, var_319=33, var_319_arg_0=33, var_31_arg_0=2, var_32=0, var_320=0, var_320_arg_0=32, var_320_arg_1=33, var_321=0, var_321_arg_0=0, var_321_arg_1=0, var_326=32, var_326_arg_0=32, var_327=1, var_327_arg_0=32, var_327_arg_1=32, var_328=0, var_328_arg_0=0, var_328_arg_1=1, var_32_arg_0=1, var_32_arg_1=2, var_33=0, var_333=32, var_333_arg_0=32, var_334=1, var_334_arg_0=32, var_334_arg_1=32, var_335=0, var_335_arg_0=0, var_335_arg_1=1, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_340=254, var_340_arg_0=254, var_341=0, var_341_arg_0=32, var_341_arg_1=254, var_342=0, var_342_arg_0=0, var_342_arg_1=0, var_347=32, var_347_arg_0=32, var_348=1, var_348_arg_0=32, var_348_arg_1=32, var_349=0, var_349_arg_0=0, var_349_arg_1=1, var_35=28, var_354=33, var_354_arg_0=33, var_355=0, var_355_arg_0=32, var_355_arg_1=33, var_356=0, var_356_arg_0=0, var_356_arg_1=0, var_36=2, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=32, var_362_arg_1=1, var_363=0, var_363_arg_0=0, var_363_arg_1=0, var_368=32, var_368_arg_0=32, var_369=1, var_369_arg_0=32, var_369_arg_1=32, var_36_arg_0=2, var_37=0, var_370=0, var_370_arg_0=0, var_370_arg_1=1, var_375=33, var_375_arg_0=33, var_376=0, var_376_arg_0=32, var_376_arg_1=33, var_377=0, var_377_arg_0=0, var_377_arg_1=0, var_37_arg_0=1, var_37_arg_1=2, var_38=0, var_382=32, var_382_arg_0=32, var_383=1, var_383_arg_0=32, var_383_arg_1=32, var_384=0, var_384_arg_0=0, var_384_arg_1=1, var_389=32, var_389_arg_0=32, var_38_arg_0=0, var_38_arg_1=0, var_38_arg_2=0, var_390=1, var_390_arg_0=32, var_390_arg_1=32, var_391=0, var_391_arg_0=0, var_391_arg_1=1, var_396=2, var_396_arg_0=2, var_397=0, var_397_arg_0=32, var_397_arg_1=2, var_398=0, var_398_arg_0=0, var_398_arg_1=0, var_40=27, var_403=235, var_403_arg_0=235, var_404=0, var_404_arg_0=32, var_404_arg_1=235, var_405=0, var_405_arg_0=0, var_405_arg_1=0, var_41=7, var_410=251, var_410_arg_0=251, var_411=0, var_411_arg_0=32, var_411_arg_1=251, var_412=0, var_412_arg_0=0, var_412_arg_1=0, var_417=237, var_417_arg_0=237, var_418=0, var_418_arg_0=32, var_418_arg_1=237, var_419=0, var_419_arg_0=0, var_419_arg_1=0, var_41_arg_0=7, var_42=0, var_424=239, var_424_arg_0=239, var_425=0, var_425_arg_0=32, var_425_arg_1=239, var_426=0, var_426_arg_0=0, var_426_arg_1=0, var_42_arg_0=1, var_42_arg_1=7, var_43=0, var_431=241, var_431_arg_0=241, var_432=0, var_432_arg_0=32, var_432_arg_1=241, var_433=0, var_433_arg_0=0, var_433_arg_1=0, var_438=253, var_438_arg_0=253, var_439=0, var_439_arg_0=32, var_439_arg_1=253, var_43_arg_0=0, var_43_arg_1=1, var_43_arg_2=0, var_440=0, var_440_arg_0=0, var_440_arg_1=0, var_445=250, var_445_arg_0=250, var_446=0, var_446_arg_0=32, var_446_arg_1=250, var_447=0, var_447_arg_0=0, var_447_arg_1=0, var_45=26, var_452=32, var_452_arg_0=32, var_453=1, var_453_arg_0=32, var_453_arg_1=32, var_454=0, var_454_arg_0=0, var_454_arg_1=1, var_459=1, var_459_arg_0=32, var_459_arg_1=32, var_46=3, var_460=0, var_460_arg_0=0, var_460_arg_1=1, var_465=32, var_465_arg_0=32, var_466=1, var_466_arg_0=32, var_466_arg_1=32, var_467=0, var_467_arg_0=0, var_467_arg_1=1, var_46_arg_0=3, var_47=0, var_472=32, var_472_arg_0=32, var_473=1, var_473_arg_0=32, var_473_arg_1=32, var_474=0, var_474_arg_0=0, var_474_arg_1=1, var_479=248, var_479_arg_0=248, var_47_arg_0=1, var_47_arg_1=3, var_48=0, var_480=0, var_480_arg_0=32, var_480_arg_1=248, var_481=0, var_481_arg_0=0, var_481_arg_1=0, var_486=249, var_486_arg_0=249, var_487=0, var_487_arg_0=32, var_487_arg_1=249, var_488=0, var_488_arg_0=0, var_488_arg_1=0, var_48_arg_0=0, var_48_arg_1=54, var_48_arg_2=0, var_493=247, var_493_arg_0=247, var_494=0, var_494_arg_0=32, var_494_arg_1=247, var_495=0, var_495_arg_0=0, var_495_arg_1=0, var_50=25, var_500=33, var_500_arg_0=33, var_501=0, var_501_arg_0=32, var_501_arg_1=33, var_502=0, var_502_arg_0=0, var_502_arg_1=0, var_507=33, var_507_arg_0=33, var_508=0, var_508_arg_0=32, var_508_arg_1=33, var_509=0, var_509_arg_0=0, var_509_arg_1=0, var_51=1, var_512=1, var_512_arg_0=1, var_513=0, var_513_arg_0=255, var_513_arg_1=1, var_518=0, var_518_arg_0=0, var_519=254, var_519_arg_0=254, var_519_arg_1=0, var_51_arg_0=1, var_52=1, var_52_arg_0=1, var_52_arg_1=1, var_53=0, var_538=0, var_538_arg_0=2, var_538_arg_1=0, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=1, var_53_arg_1=0, var_53_arg_2=0, var_542=0, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=0, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=5, var_562=1, var_562_arg_0=0, var_562_arg_1=1, var_563=1, var_563_arg_0=1, var_563_arg_1=1, var_564=1, var_564_arg_0=1, var_564_arg_1=0, var_56_arg_0=5, var_57=0, var_57_arg_0=1, var_57_arg_1=5, var_58=0, var_581=0, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=0, var_582=0, var_583=0, var_583_arg_0=1, var_583_arg_1=0, var_583_arg_2=0, var_585=0, var_585_arg_0=1, var_585_arg_1=0, var_585_arg_2=255, var_586=0, var_586_arg_0=1, var_586_arg_1=0, var_586_arg_2=0, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=1, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_591=0, var_591_arg_0=0, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=1, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=0, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=1, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=1, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=1, var_600_arg_0=0, var_600_arg_1=0, var_600_arg_2=1, var_601=0, var_601_arg_0=1, var_601_arg_1=0, var_601_arg_2=1, var_603=54, var_603_arg_0=0, var_603_arg_1=0, var_603_arg_2=54, var_604=0, var_604_arg_0=1, var_604_arg_1=0, var_604_arg_2=54, var_606=0, var_606_arg_0=0, var_606_arg_1=0, var_606_arg_2=0, var_607=0, var_607_arg_0=1, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=0, var_609_arg_1=0, var_609_arg_2=0, var_61=0, var_610=0, var_610_arg_0=1, var_610_arg_1=0, var_610_arg_2=0, var_612=0, var_612_arg_0=0, var_612_arg_1=0, var_612_arg_2=0, var_613=0, var_613_arg_0=1, var_613_arg_1=0, var_613_arg_2=0, var_615=2, var_615_arg_0=0, var_615_arg_1=0, var_615_arg_2=2, var_616=0, var_616_arg_0=1, var_616_arg_1=0, var_616_arg_2=2, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=1, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=0, var_62=0, var_621=0, var_621_arg_0=0, var_621_arg_1=0, var_621_arg_2=0, var_622=0, var_622_arg_0=1, var_622_arg_1=0, var_622_arg_2=0, var_624=0, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=0, var_625=0, var_625_arg_0=1, var_625_arg_1=0, var_625_arg_2=0, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=1, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=1, var_62_arg_1=0, var_63=0, var_630=0, var_630_arg_0=0, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=1, var_631_arg_1=0, var_631_arg_2=0, var_633=0, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=0, var_634=0, var_634_arg_0=1, var_634_arg_1=0, var_634_arg_2=0, var_636=49, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=49, var_637=0, var_637_arg_0=1, var_637_arg_1=0, var_637_arg_2=49, var_639=0, var_639_arg_0=0, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_640=0, var_640_arg_0=1, var_640_arg_1=0, var_640_arg_2=0, var_642=1, var_642_arg_0=0, var_642_arg_1=0, var_642_arg_2=1, var_643=0, var_643_arg_0=1, var_643_arg_1=0, var_643_arg_2=1, var_645=0, var_645_arg_0=0, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=1, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=1, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=0, var_651_arg_1=0, var_651_arg_2=0, var_652=0, var_652_arg_0=1, var_652_arg_1=0, var_652_arg_2=0, var_654=1, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=1, var_655=0, var_655_arg_0=1, var_655_arg_1=0, var_655_arg_2=1, var_657=0, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=0, var_658=0, var_658_arg_0=1, var_658_arg_1=0, var_658_arg_2=0, var_66=1, var_660=0, var_660_arg_0=0, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=1, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=0, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=1, var_664_arg_1=0, var_664_arg_2=0, var_666=51, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=51, var_667=0, var_667_arg_0=1, var_667_arg_1=0, var_667_arg_2=51, var_669=0, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=0, var_66_arg_0=1, var_67=1, var_670=0, var_670_arg_0=1, var_670_arg_1=0, var_670_arg_2=0, var_672=53, var_672_arg_0=0, var_672_arg_1=0, var_672_arg_2=53, var_673=0, var_673_arg_0=1, var_673_arg_1=0, var_673_arg_2=53, var_675=0, var_675_arg_0=0, var_675_arg_1=0, var_675_arg_2=0, var_676=0, var_676_arg_0=1, var_676_arg_1=0, var_676_arg_2=0, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=1, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=1, var_67_arg_1=1, var_68=2, var_681=0, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=0, var_682=0, var_682_arg_0=1, var_682_arg_1=0, var_682_arg_2=0, var_684=0, var_684_arg_0=0, var_685=1, var_685_arg_0=1, var_685_arg_1=0, var_686=1, var_686_arg_0=1, var_687=0, var_687_arg_0=1, var_687_arg_1=1, var_688=0, var_688_arg_0=1, var_688_arg_1=0, var_688_arg_2=0, var_68_arg_0=1, var_68_arg_1=2, var_68_arg_2=0, var_690=0, var_690_arg_0=0, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=1, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=0, var_694_arg_0=1, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=1, var_696_arg_1=0, var_696_arg_2=1, var_697=0, var_697_arg_0=1, var_697_arg_1=0, var_697_arg_2=0, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=1, var_700_arg_1=0, var_700_arg_2=0, var_703=254, var_703_arg_0=1, var_703_arg_1=254, var_703_arg_2=254, var_704=0, var_704_arg_0=1, var_704_arg_1=0, var_704_arg_2=254, var_71=1, var_71_arg_0=1, var_72=1, var_72_arg_0=1, var_72_arg_1=1, var_73=0, var_73_arg_0=1, var_73_arg_1=0, var_73_arg_2=2, var_75=20, var_76=2, var_76_arg_0=2, var_77=0, var_77_arg_0=1, var_77_arg_1=2, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_80=19, var_81=1, var_81_arg_0=1, var_82=1, var_82_arg_0=1, var_82_arg_1=1, var_83=0, var_83_arg_0=1, var_83_arg_1=0, var_83_arg_2=0, var_85=18, var_86=2, var_86_arg_0=2, var_87=0, var_87_arg_0=1, var_87_arg_1=2, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_90=17, var_91=2, var_91_arg_0=2, var_92=0, var_92_arg_0=1, var_92_arg_1=2, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=16, var_96=7, var_96_arg_0=7, var_97=0, var_97_arg_0=1, var_97_arg_1=7, var_98=0, var_98_arg_0=0, var_98_arg_1=0, var_98_arg_2=0] [L182] CALL assume_abort_if_not(constr_224_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L182] RET assume_abort_if_not(constr_224_arg_0) VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=5, input_231=42, input_4=6, input_5=0, input_6=3, input_7=0, input_8=1, input_9=255, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=255, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=128, next_584_arg_1=0, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=0, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=0, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=0, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=0, state_191=0, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=1, var_103_arg_0=1, var_103_arg_1=1, var_104=49, var_104_arg_0=1, var_104_arg_1=49, var_104_arg_2=0, var_106=14, var_107=35, var_107_arg_0=35, var_108=0, var_108_arg_0=1, var_108_arg_1=35, var_109=49, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=49, var_111=13, var_112=1, var_112_arg_0=1, var_113=1, var_113_arg_0=1, var_113_arg_1=1, var_114=1, var_114_arg_0=1, var_114_arg_1=1, var_114_arg_2=49, var_116=12, var_117=251, var_117_arg_0=251, var_118=0, var_118_arg_0=1, var_118_arg_1=251, var_119=1, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=1, var_121=11, var_122=1, var_122_arg_0=1, var_123=1, var_123_arg_0=1, var_123_arg_1=1, var_124=0, var_124_arg_0=1, var_124_arg_1=0, var_124_arg_2=1, var_126=10, var_127=1, var_127_arg_0=1, var_128=1, var_128_arg_0=1, var_128_arg_1=1, var_129=0, var_129_arg_0=1, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=1, var_132_arg_0=1, var_133=1, var_133_arg_0=1, var_133_arg_1=1, var_134=1, var_134_arg_0=1, var_134_arg_1=1, var_134_arg_2=0, var_136=8, var_137=1, var_137_arg_0=1, var_138=1, var_138_arg_0=1, var_138_arg_1=1, var_139=0, var_139_arg_0=1, var_139_arg_1=0, var_139_arg_2=1, var_14=1, var_142=7, var_143=1, var_143_arg_0=1, var_144=1, var_144_arg_0=1, var_144_arg_1=1, var_145=0, var_145_arg_0=1, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=253, var_148_arg_0=253, var_149=0, var_149_arg_0=1, var_149_arg_1=253, var_14_arg_0=255, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=250, var_153_arg_0=250, var_154=0, var_154_arg_0=1, var_154_arg_1=250, var_155=0, var_155_arg_0=0, var_155_arg_1=51, var_155_arg_2=0, var_157=4, var_158=1, var_158_arg_0=1, var_159=1, var_159_arg_0=1, var_159_arg_1=1, var_16=0, var_160=0, var_160_arg_0=1, var_160_arg_1=0, var_160_arg_2=0, var_163=3, var_164=1, var_164_arg_0=1, var_165=1, var_165_arg_0=1, var_165_arg_1=1, var_166=53, var_166_arg_0=1, var_166_arg_1=53, var_166_arg_2=0, var_168=2, var_169=1, var_169_arg_0=1, var_16_arg_0=1, var_16_arg_1=32, var_17=255, var_170=1, var_170_arg_0=1, var_170_arg_1=1, var_171=0, var_171_arg_0=1, var_171_arg_1=0, var_171_arg_2=53, var_173=1, var_174=1, var_174_arg_0=1, var_175=1, var_175_arg_0=1, var_175_arg_1=1, var_176=0, var_176_arg_0=1, var_176_arg_1=0, var_176_arg_2=0, var_178=1, var_178_arg_0=1, var_179=1, var_179_arg_0=1, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=255, var_180=0, var_180_arg_0=1, var_180_arg_1=0, var_180_arg_2=0, var_183=1, var_183_arg_0=1, var_184=4, var_184_arg_0=1, var_186=33, var_187=0, var_187_arg_0=0, var_188=1, var_188_arg_0=0, var_188_arg_1=0, var_192=238, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=238, var_195=1, var_195_arg_0=1, var_196=0, var_196_arg_0=0, var_196_arg_1=1, var_197=3, var_197_arg_0=0, var_198=0, var_198_arg_0=0, var_198_arg_1=3, var_199=0, var_199_arg_0=0, var_20=31, var_200=1, var_200_arg_0=1, var_200_arg_1=0, var_201=1, var_201_arg_0=1, var_202=0, var_202_arg_0=1, var_202_arg_1=1, var_203=0, var_204=0, var_204_arg_0=1, var_204_arg_1=0, var_204_arg_2=0, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_21=1, var_210=1, var_210_arg_0=0, var_210_arg_1=0, var_211=1, var_211_arg_0=0, var_211_arg_1=1, var_215=1, var_215_arg_0=0, var_215_arg_1=0, var_216=2, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=2, var_219=0, var_219_arg_0=1, var_21_arg_0=1, var_22=1, var_220=37, var_220_arg_0=3, var_221=0, var_221_arg_0=0, var_221_arg_1=37, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_225=64, var_225_arg_0=4, var_226=41, var_226_arg_0=1, var_227=1, var_227_arg_0=64, var_227_arg_1=41, var_228=1, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=1, var_22_arg_0=1, var_22_arg_1=1, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=2, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=2, var_23_arg_0=1, var_23_arg_1=0, var_23_arg_2=255, var_241=1, var_241_arg_0=0, var_241_arg_1=1, var_242=1, var_242_arg_0=1, var_242_arg_1=1, var_25=30, var_26=1, var_26_arg_0=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=0, var_283=32, var_283_arg_0=254, var_284=1, var_284_arg_0=32, var_285=3, var_285_arg_0=1, var_286=0, var_286_arg_0=0, var_286_arg_1=3, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=32, var_291_arg_0=32, var_292=1, var_292_arg_0=32, var_292_arg_1=32, var_293=0, var_293_arg_0=0, var_293_arg_1=1, var_298=32, var_298_arg_0=32, var_299=1, var_299_arg_0=32, var_299_arg_1=32, var_30=29, var_300=0, var_300_arg_0=0, var_300_arg_1=1, var_305=2, var_305_arg_0=2, var_306=0, var_306_arg_0=32, var_306_arg_1=2, var_307=0, var_307_arg_0=0, var_307_arg_1=0, var_31=2, var_312=255, var_312_arg_0=255, var_313=0, var_313_arg_0=32, var_313_arg_1=255, var_314=0, var_314_arg_0=0, var_314_arg_1=0, var_319=33, var_319_arg_0=33, var_31_arg_0=2, var_32=0, var_320=0, var_320_arg_0=32, var_320_arg_1=33, var_321=0, var_321_arg_0=0, var_321_arg_1=0, var_326=32, var_326_arg_0=32, var_327=1, var_327_arg_0=32, var_327_arg_1=32, var_328=0, var_328_arg_0=0, var_328_arg_1=1, var_32_arg_0=1, var_32_arg_1=2, var_33=0, var_333=32, var_333_arg_0=32, var_334=1, var_334_arg_0=32, var_334_arg_1=32, var_335=0, var_335_arg_0=0, var_335_arg_1=1, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_340=254, var_340_arg_0=254, var_341=0, var_341_arg_0=32, var_341_arg_1=254, var_342=0, var_342_arg_0=0, var_342_arg_1=0, var_347=32, var_347_arg_0=32, var_348=1, var_348_arg_0=32, var_348_arg_1=32, var_349=0, var_349_arg_0=0, var_349_arg_1=1, var_35=28, var_354=33, var_354_arg_0=33, var_355=0, var_355_arg_0=32, var_355_arg_1=33, var_356=0, var_356_arg_0=0, var_356_arg_1=0, var_36=2, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=32, var_362_arg_1=1, var_363=0, var_363_arg_0=0, var_363_arg_1=0, var_368=32, var_368_arg_0=32, var_369=1, var_369_arg_0=32, var_369_arg_1=32, var_36_arg_0=2, var_37=0, var_370=0, var_370_arg_0=0, var_370_arg_1=1, var_375=33, var_375_arg_0=33, var_376=0, var_376_arg_0=32, var_376_arg_1=33, var_377=0, var_377_arg_0=0, var_377_arg_1=0, var_37_arg_0=1, var_37_arg_1=2, var_38=0, var_382=32, var_382_arg_0=32, var_383=1, var_383_arg_0=32, var_383_arg_1=32, var_384=0, var_384_arg_0=0, var_384_arg_1=1, var_389=32, var_389_arg_0=32, var_38_arg_0=0, var_38_arg_1=0, var_38_arg_2=0, var_390=1, var_390_arg_0=32, var_390_arg_1=32, var_391=0, var_391_arg_0=0, var_391_arg_1=1, var_396=2, var_396_arg_0=2, var_397=0, var_397_arg_0=32, var_397_arg_1=2, var_398=0, var_398_arg_0=0, var_398_arg_1=0, var_40=27, var_403=235, var_403_arg_0=235, var_404=0, var_404_arg_0=32, var_404_arg_1=235, var_405=0, var_405_arg_0=0, var_405_arg_1=0, var_41=7, var_410=251, var_410_arg_0=251, var_411=0, var_411_arg_0=32, var_411_arg_1=251, var_412=0, var_412_arg_0=0, var_412_arg_1=0, var_417=237, var_417_arg_0=237, var_418=0, var_418_arg_0=32, var_418_arg_1=237, var_419=0, var_419_arg_0=0, var_419_arg_1=0, var_41_arg_0=7, var_42=0, var_424=239, var_424_arg_0=239, var_425=0, var_425_arg_0=32, var_425_arg_1=239, var_426=0, var_426_arg_0=0, var_426_arg_1=0, var_42_arg_0=1, var_42_arg_1=7, var_43=0, var_431=241, var_431_arg_0=241, var_432=0, var_432_arg_0=32, var_432_arg_1=241, var_433=0, var_433_arg_0=0, var_433_arg_1=0, var_438=253, var_438_arg_0=253, var_439=0, var_439_arg_0=32, var_439_arg_1=253, var_43_arg_0=0, var_43_arg_1=1, var_43_arg_2=0, var_440=0, var_440_arg_0=0, var_440_arg_1=0, var_445=250, var_445_arg_0=250, var_446=0, var_446_arg_0=32, var_446_arg_1=250, var_447=0, var_447_arg_0=0, var_447_arg_1=0, var_45=26, var_452=32, var_452_arg_0=32, var_453=1, var_453_arg_0=32, var_453_arg_1=32, var_454=0, var_454_arg_0=0, var_454_arg_1=1, var_459=1, var_459_arg_0=32, var_459_arg_1=32, var_46=3, var_460=0, var_460_arg_0=0, var_460_arg_1=1, var_465=32, var_465_arg_0=32, var_466=1, var_466_arg_0=32, var_466_arg_1=32, var_467=0, var_467_arg_0=0, var_467_arg_1=1, var_46_arg_0=3, var_47=0, var_472=32, var_472_arg_0=32, var_473=1, var_473_arg_0=32, var_473_arg_1=32, var_474=0, var_474_arg_0=0, var_474_arg_1=1, var_479=248, var_479_arg_0=248, var_47_arg_0=1, var_47_arg_1=3, var_48=0, var_480=0, var_480_arg_0=32, var_480_arg_1=248, var_481=0, var_481_arg_0=0, var_481_arg_1=0, var_486=249, var_486_arg_0=249, var_487=0, var_487_arg_0=32, var_487_arg_1=249, var_488=0, var_488_arg_0=0, var_488_arg_1=0, var_48_arg_0=0, var_48_arg_1=54, var_48_arg_2=0, var_493=247, var_493_arg_0=247, var_494=0, var_494_arg_0=32, var_494_arg_1=247, var_495=0, var_495_arg_0=0, var_495_arg_1=0, var_50=25, var_500=33, var_500_arg_0=33, var_501=0, var_501_arg_0=32, var_501_arg_1=33, var_502=0, var_502_arg_0=0, var_502_arg_1=0, var_507=33, var_507_arg_0=33, var_508=0, var_508_arg_0=32, var_508_arg_1=33, var_509=0, var_509_arg_0=0, var_509_arg_1=0, var_51=1, var_512=1, var_512_arg_0=1, var_513=0, var_513_arg_0=255, var_513_arg_1=1, var_518=0, var_518_arg_0=0, var_519=254, var_519_arg_0=254, var_519_arg_1=0, var_51_arg_0=1, var_52=1, var_52_arg_0=1, var_52_arg_1=1, var_53=0, var_538=0, var_538_arg_0=2, var_538_arg_1=0, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=1, var_53_arg_1=0, var_53_arg_2=0, var_542=0, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=0, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=5, var_562=1, var_562_arg_0=0, var_562_arg_1=1, var_563=1, var_563_arg_0=1, var_563_arg_1=1, var_564=1, var_564_arg_0=1, var_564_arg_1=0, var_56_arg_0=5, var_57=0, var_57_arg_0=1, var_57_arg_1=5, var_58=0, var_581=0, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=0, var_582=0, var_583=0, var_583_arg_0=1, var_583_arg_1=0, var_583_arg_2=0, var_585=0, var_585_arg_0=1, var_585_arg_1=0, var_585_arg_2=255, var_586=0, var_586_arg_0=1, var_586_arg_1=0, var_586_arg_2=0, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=1, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_591=0, var_591_arg_0=0, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=1, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=0, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=1, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=1, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=1, var_600_arg_0=0, var_600_arg_1=0, var_600_arg_2=1, var_601=0, var_601_arg_0=1, var_601_arg_1=0, var_601_arg_2=1, var_603=54, var_603_arg_0=0, var_603_arg_1=0, var_603_arg_2=54, var_604=0, var_604_arg_0=1, var_604_arg_1=0, var_604_arg_2=54, var_606=0, var_606_arg_0=0, var_606_arg_1=0, var_606_arg_2=0, var_607=0, var_607_arg_0=1, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=0, var_609_arg_1=0, var_609_arg_2=0, var_61=0, var_610=0, var_610_arg_0=1, var_610_arg_1=0, var_610_arg_2=0, var_612=0, var_612_arg_0=0, var_612_arg_1=0, var_612_arg_2=0, var_613=0, var_613_arg_0=1, var_613_arg_1=0, var_613_arg_2=0, var_615=2, var_615_arg_0=0, var_615_arg_1=0, var_615_arg_2=2, var_616=0, var_616_arg_0=1, var_616_arg_1=0, var_616_arg_2=2, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=1, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=0, var_62=0, var_621=0, var_621_arg_0=0, var_621_arg_1=0, var_621_arg_2=0, var_622=0, var_622_arg_0=1, var_622_arg_1=0, var_622_arg_2=0, var_624=0, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=0, var_625=0, var_625_arg_0=1, var_625_arg_1=0, var_625_arg_2=0, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=1, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=1, var_62_arg_1=0, var_63=0, var_630=0, var_630_arg_0=0, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=1, var_631_arg_1=0, var_631_arg_2=0, var_633=0, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=0, var_634=0, var_634_arg_0=1, var_634_arg_1=0, var_634_arg_2=0, var_636=49, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=49, var_637=0, var_637_arg_0=1, var_637_arg_1=0, var_637_arg_2=49, var_639=0, var_639_arg_0=0, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_640=0, var_640_arg_0=1, var_640_arg_1=0, var_640_arg_2=0, var_642=1, var_642_arg_0=0, var_642_arg_1=0, var_642_arg_2=1, var_643=0, var_643_arg_0=1, var_643_arg_1=0, var_643_arg_2=1, var_645=0, var_645_arg_0=0, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=1, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=1, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=0, var_651_arg_1=0, var_651_arg_2=0, var_652=0, var_652_arg_0=1, var_652_arg_1=0, var_652_arg_2=0, var_654=1, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=1, var_655=0, var_655_arg_0=1, var_655_arg_1=0, var_655_arg_2=1, var_657=0, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=0, var_658=0, var_658_arg_0=1, var_658_arg_1=0, var_658_arg_2=0, var_66=1, var_660=0, var_660_arg_0=0, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=1, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=0, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=1, var_664_arg_1=0, var_664_arg_2=0, var_666=51, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=51, var_667=0, var_667_arg_0=1, var_667_arg_1=0, var_667_arg_2=51, var_669=0, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=0, var_66_arg_0=1, var_67=1, var_670=0, var_670_arg_0=1, var_670_arg_1=0, var_670_arg_2=0, var_672=53, var_672_arg_0=0, var_672_arg_1=0, var_672_arg_2=53, var_673=0, var_673_arg_0=1, var_673_arg_1=0, var_673_arg_2=53, var_675=0, var_675_arg_0=0, var_675_arg_1=0, var_675_arg_2=0, var_676=0, var_676_arg_0=1, var_676_arg_1=0, var_676_arg_2=0, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=1, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=1, var_67_arg_1=1, var_68=2, var_681=0, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=0, var_682=0, var_682_arg_0=1, var_682_arg_1=0, var_682_arg_2=0, var_684=0, var_684_arg_0=0, var_685=1, var_685_arg_0=1, var_685_arg_1=0, var_686=1, var_686_arg_0=1, var_687=0, var_687_arg_0=1, var_687_arg_1=1, var_688=0, var_688_arg_0=1, var_688_arg_1=0, var_688_arg_2=0, var_68_arg_0=1, var_68_arg_1=2, var_68_arg_2=0, var_690=0, var_690_arg_0=0, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=1, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=0, var_694_arg_0=1, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=1, var_696_arg_1=0, var_696_arg_2=1, var_697=0, var_697_arg_0=1, var_697_arg_1=0, var_697_arg_2=0, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=1, var_700_arg_1=0, var_700_arg_2=0, var_703=254, var_703_arg_0=1, var_703_arg_1=254, var_703_arg_2=254, var_704=0, var_704_arg_0=1, var_704_arg_1=0, var_704_arg_2=254, var_71=1, var_71_arg_0=1, var_72=1, var_72_arg_0=1, var_72_arg_1=1, var_73=0, var_73_arg_0=1, var_73_arg_1=0, var_73_arg_2=2, var_75=20, var_76=2, var_76_arg_0=2, var_77=0, var_77_arg_0=1, var_77_arg_1=2, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_80=19, var_81=1, var_81_arg_0=1, var_82=1, var_82_arg_0=1, var_82_arg_1=1, var_83=0, var_83_arg_0=1, var_83_arg_1=0, var_83_arg_2=0, var_85=18, var_86=2, var_86_arg_0=2, var_87=0, var_87_arg_0=1, var_87_arg_1=2, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_90=17, var_91=2, var_91_arg_0=2, var_92=0, var_92_arg_0=1, var_92_arg_1=2, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=16, var_96=7, var_96_arg_0=7, var_97=0, var_97_arg_0=1, var_97_arg_1=7, var_98=0, var_98_arg_0=0, var_98_arg_1=0, var_98_arg_2=0] [L183] SORT_11 var_183_arg_0 = state_182; [L184] SORT_1 var_183 = var_183_arg_0 != 0; [L185] SORT_1 var_184_arg_0 = var_183; [L186] SORT_1 var_184 = ~var_184_arg_0; [L187] SORT_1 var_225_arg_0 = var_184; [L188] SORT_1 var_225 = ~var_225_arg_0; [L189] SORT_1 var_226_arg_0 = input_5; [L190] SORT_1 var_226 = ~var_226_arg_0; [L191] SORT_1 var_227_arg_0 = var_225; [L192] SORT_1 var_227_arg_1 = var_226; [L193] SORT_1 var_227 = var_227_arg_0 | var_227_arg_1; [L194] SORT_1 var_228_arg_0 = var_173; [L195] SORT_1 var_228 = ~var_228_arg_0; [L196] SORT_1 var_229_arg_0 = var_227; [L197] SORT_1 var_229_arg_1 = var_228; [L198] SORT_1 var_229 = var_229_arg_0 | var_229_arg_1; [L199] var_229 = var_229 & mask_SORT_1 [L200] SORT_1 constr_230_arg_0 = var_229; VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=5, input_231=42, input_4=6, input_5=0, input_6=3, input_7=0, input_8=1, input_9=255, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=255, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=128, next_584_arg_1=0, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=0, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=0, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=0, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=0, state_191=0, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=1, var_103_arg_0=1, var_103_arg_1=1, var_104=49, var_104_arg_0=1, var_104_arg_1=49, var_104_arg_2=0, var_106=14, var_107=35, var_107_arg_0=35, var_108=0, var_108_arg_0=1, var_108_arg_1=35, var_109=49, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=49, var_111=13, var_112=1, var_112_arg_0=1, var_113=1, var_113_arg_0=1, var_113_arg_1=1, var_114=1, var_114_arg_0=1, var_114_arg_1=1, var_114_arg_2=49, var_116=12, var_117=251, var_117_arg_0=251, var_118=0, var_118_arg_0=1, var_118_arg_1=251, var_119=1, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=1, var_121=11, var_122=1, var_122_arg_0=1, var_123=1, var_123_arg_0=1, var_123_arg_1=1, var_124=0, var_124_arg_0=1, var_124_arg_1=0, var_124_arg_2=1, var_126=10, var_127=1, var_127_arg_0=1, var_128=1, var_128_arg_0=1, var_128_arg_1=1, var_129=0, var_129_arg_0=1, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=1, var_132_arg_0=1, var_133=1, var_133_arg_0=1, var_133_arg_1=1, var_134=1, var_134_arg_0=1, var_134_arg_1=1, var_134_arg_2=0, var_136=8, var_137=1, var_137_arg_0=1, var_138=1, var_138_arg_0=1, var_138_arg_1=1, var_139=0, var_139_arg_0=1, var_139_arg_1=0, var_139_arg_2=1, var_14=1, var_142=7, var_143=1, var_143_arg_0=1, var_144=1, var_144_arg_0=1, var_144_arg_1=1, var_145=0, var_145_arg_0=1, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=253, var_148_arg_0=253, var_149=0, var_149_arg_0=1, var_149_arg_1=253, var_14_arg_0=255, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=250, var_153_arg_0=250, var_154=0, var_154_arg_0=1, var_154_arg_1=250, var_155=0, var_155_arg_0=0, var_155_arg_1=51, var_155_arg_2=0, var_157=4, var_158=1, var_158_arg_0=1, var_159=1, var_159_arg_0=1, var_159_arg_1=1, var_16=0, var_160=0, var_160_arg_0=1, var_160_arg_1=0, var_160_arg_2=0, var_163=3, var_164=1, var_164_arg_0=1, var_165=1, var_165_arg_0=1, var_165_arg_1=1, var_166=53, var_166_arg_0=1, var_166_arg_1=53, var_166_arg_2=0, var_168=2, var_169=1, var_169_arg_0=1, var_16_arg_0=1, var_16_arg_1=32, var_17=255, var_170=1, var_170_arg_0=1, var_170_arg_1=1, var_171=0, var_171_arg_0=1, var_171_arg_1=0, var_171_arg_2=53, var_173=1, var_174=1, var_174_arg_0=1, var_175=1, var_175_arg_0=1, var_175_arg_1=1, var_176=0, var_176_arg_0=1, var_176_arg_1=0, var_176_arg_2=0, var_178=1, var_178_arg_0=1, var_179=1, var_179_arg_0=1, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=255, var_180=0, var_180_arg_0=1, var_180_arg_1=0, var_180_arg_2=0, var_183=0, var_183_arg_0=0, var_184=3, var_184_arg_0=0, var_186=33, var_187=0, var_187_arg_0=0, var_188=1, var_188_arg_0=0, var_188_arg_1=0, var_192=238, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=238, var_195=1, var_195_arg_0=1, var_196=0, var_196_arg_0=0, var_196_arg_1=1, var_197=3, var_197_arg_0=0, var_198=0, var_198_arg_0=0, var_198_arg_1=3, var_199=0, var_199_arg_0=0, var_20=31, var_200=1, var_200_arg_0=1, var_200_arg_1=0, var_201=1, var_201_arg_0=1, var_202=0, var_202_arg_0=1, var_202_arg_1=1, var_203=0, var_204=0, var_204_arg_0=1, var_204_arg_1=0, var_204_arg_2=0, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_21=1, var_210=1, var_210_arg_0=0, var_210_arg_1=0, var_211=1, var_211_arg_0=0, var_211_arg_1=1, var_215=1, var_215_arg_0=0, var_215_arg_1=0, var_216=2, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=2, var_219=0, var_219_arg_0=1, var_21_arg_0=1, var_22=1, var_220=37, var_220_arg_0=3, var_221=0, var_221_arg_0=0, var_221_arg_1=37, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_225=56, var_225_arg_0=3, var_226=253, var_226_arg_0=0, var_227=0, var_227_arg_0=56, var_227_arg_1=253, var_228=255, var_228_arg_0=1, var_229=1, var_229_arg_0=0, var_229_arg_1=255, var_22_arg_0=1, var_22_arg_1=1, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=2, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=2, var_23_arg_0=1, var_23_arg_1=0, var_23_arg_2=255, var_241=1, var_241_arg_0=0, var_241_arg_1=1, var_242=1, var_242_arg_0=1, var_242_arg_1=1, var_25=30, var_26=1, var_26_arg_0=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=0, var_283=32, var_283_arg_0=254, var_284=1, var_284_arg_0=32, var_285=3, var_285_arg_0=1, var_286=0, var_286_arg_0=0, var_286_arg_1=3, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=32, var_291_arg_0=32, var_292=1, var_292_arg_0=32, var_292_arg_1=32, var_293=0, var_293_arg_0=0, var_293_arg_1=1, var_298=32, var_298_arg_0=32, var_299=1, var_299_arg_0=32, var_299_arg_1=32, var_30=29, var_300=0, var_300_arg_0=0, var_300_arg_1=1, var_305=2, var_305_arg_0=2, var_306=0, var_306_arg_0=32, var_306_arg_1=2, var_307=0, var_307_arg_0=0, var_307_arg_1=0, var_31=2, var_312=255, var_312_arg_0=255, var_313=0, var_313_arg_0=32, var_313_arg_1=255, var_314=0, var_314_arg_0=0, var_314_arg_1=0, var_319=33, var_319_arg_0=33, var_31_arg_0=2, var_32=0, var_320=0, var_320_arg_0=32, var_320_arg_1=33, var_321=0, var_321_arg_0=0, var_321_arg_1=0, var_326=32, var_326_arg_0=32, var_327=1, var_327_arg_0=32, var_327_arg_1=32, var_328=0, var_328_arg_0=0, var_328_arg_1=1, var_32_arg_0=1, var_32_arg_1=2, var_33=0, var_333=32, var_333_arg_0=32, var_334=1, var_334_arg_0=32, var_334_arg_1=32, var_335=0, var_335_arg_0=0, var_335_arg_1=1, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_340=254, var_340_arg_0=254, var_341=0, var_341_arg_0=32, var_341_arg_1=254, var_342=0, var_342_arg_0=0, var_342_arg_1=0, var_347=32, var_347_arg_0=32, var_348=1, var_348_arg_0=32, var_348_arg_1=32, var_349=0, var_349_arg_0=0, var_349_arg_1=1, var_35=28, var_354=33, var_354_arg_0=33, var_355=0, var_355_arg_0=32, var_355_arg_1=33, var_356=0, var_356_arg_0=0, var_356_arg_1=0, var_36=2, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=32, var_362_arg_1=1, var_363=0, var_363_arg_0=0, var_363_arg_1=0, var_368=32, var_368_arg_0=32, var_369=1, var_369_arg_0=32, var_369_arg_1=32, var_36_arg_0=2, var_37=0, var_370=0, var_370_arg_0=0, var_370_arg_1=1, var_375=33, var_375_arg_0=33, var_376=0, var_376_arg_0=32, var_376_arg_1=33, var_377=0, var_377_arg_0=0, var_377_arg_1=0, var_37_arg_0=1, var_37_arg_1=2, var_38=0, var_382=32, var_382_arg_0=32, var_383=1, var_383_arg_0=32, var_383_arg_1=32, var_384=0, var_384_arg_0=0, var_384_arg_1=1, var_389=32, var_389_arg_0=32, var_38_arg_0=0, var_38_arg_1=0, var_38_arg_2=0, var_390=1, var_390_arg_0=32, var_390_arg_1=32, var_391=0, var_391_arg_0=0, var_391_arg_1=1, var_396=2, var_396_arg_0=2, var_397=0, var_397_arg_0=32, var_397_arg_1=2, var_398=0, var_398_arg_0=0, var_398_arg_1=0, var_40=27, var_403=235, var_403_arg_0=235, var_404=0, var_404_arg_0=32, var_404_arg_1=235, var_405=0, var_405_arg_0=0, var_405_arg_1=0, var_41=7, var_410=251, var_410_arg_0=251, var_411=0, var_411_arg_0=32, var_411_arg_1=251, var_412=0, var_412_arg_0=0, var_412_arg_1=0, var_417=237, var_417_arg_0=237, var_418=0, var_418_arg_0=32, var_418_arg_1=237, var_419=0, var_419_arg_0=0, var_419_arg_1=0, var_41_arg_0=7, var_42=0, var_424=239, var_424_arg_0=239, var_425=0, var_425_arg_0=32, var_425_arg_1=239, var_426=0, var_426_arg_0=0, var_426_arg_1=0, var_42_arg_0=1, var_42_arg_1=7, var_43=0, var_431=241, var_431_arg_0=241, var_432=0, var_432_arg_0=32, var_432_arg_1=241, var_433=0, var_433_arg_0=0, var_433_arg_1=0, var_438=253, var_438_arg_0=253, var_439=0, var_439_arg_0=32, var_439_arg_1=253, var_43_arg_0=0, var_43_arg_1=1, var_43_arg_2=0, var_440=0, var_440_arg_0=0, var_440_arg_1=0, var_445=250, var_445_arg_0=250, var_446=0, var_446_arg_0=32, var_446_arg_1=250, var_447=0, var_447_arg_0=0, var_447_arg_1=0, var_45=26, var_452=32, var_452_arg_0=32, var_453=1, var_453_arg_0=32, var_453_arg_1=32, var_454=0, var_454_arg_0=0, var_454_arg_1=1, var_459=1, var_459_arg_0=32, var_459_arg_1=32, var_46=3, var_460=0, var_460_arg_0=0, var_460_arg_1=1, var_465=32, var_465_arg_0=32, var_466=1, var_466_arg_0=32, var_466_arg_1=32, var_467=0, var_467_arg_0=0, var_467_arg_1=1, var_46_arg_0=3, var_47=0, var_472=32, var_472_arg_0=32, var_473=1, var_473_arg_0=32, var_473_arg_1=32, var_474=0, var_474_arg_0=0, var_474_arg_1=1, var_479=248, var_479_arg_0=248, var_47_arg_0=1, var_47_arg_1=3, var_48=0, var_480=0, var_480_arg_0=32, var_480_arg_1=248, var_481=0, var_481_arg_0=0, var_481_arg_1=0, var_486=249, var_486_arg_0=249, var_487=0, var_487_arg_0=32, var_487_arg_1=249, var_488=0, var_488_arg_0=0, var_488_arg_1=0, var_48_arg_0=0, var_48_arg_1=54, var_48_arg_2=0, var_493=247, var_493_arg_0=247, var_494=0, var_494_arg_0=32, var_494_arg_1=247, var_495=0, var_495_arg_0=0, var_495_arg_1=0, var_50=25, var_500=33, var_500_arg_0=33, var_501=0, var_501_arg_0=32, var_501_arg_1=33, var_502=0, var_502_arg_0=0, var_502_arg_1=0, var_507=33, var_507_arg_0=33, var_508=0, var_508_arg_0=32, var_508_arg_1=33, var_509=0, var_509_arg_0=0, var_509_arg_1=0, var_51=1, var_512=1, var_512_arg_0=1, var_513=0, var_513_arg_0=255, var_513_arg_1=1, var_518=0, var_518_arg_0=0, var_519=254, var_519_arg_0=254, var_519_arg_1=0, var_51_arg_0=1, var_52=1, var_52_arg_0=1, var_52_arg_1=1, var_53=0, var_538=0, var_538_arg_0=2, var_538_arg_1=0, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=1, var_53_arg_1=0, var_53_arg_2=0, var_542=0, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=0, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=5, var_562=1, var_562_arg_0=0, var_562_arg_1=1, var_563=1, var_563_arg_0=1, var_563_arg_1=1, var_564=1, var_564_arg_0=1, var_564_arg_1=0, var_56_arg_0=5, var_57=0, var_57_arg_0=1, var_57_arg_1=5, var_58=0, var_581=0, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=0, var_582=0, var_583=0, var_583_arg_0=1, var_583_arg_1=0, var_583_arg_2=0, var_585=0, var_585_arg_0=1, var_585_arg_1=0, var_585_arg_2=255, var_586=0, var_586_arg_0=1, var_586_arg_1=0, var_586_arg_2=0, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=1, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_591=0, var_591_arg_0=0, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=1, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=0, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=1, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=1, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=1, var_600_arg_0=0, var_600_arg_1=0, var_600_arg_2=1, var_601=0, var_601_arg_0=1, var_601_arg_1=0, var_601_arg_2=1, var_603=54, var_603_arg_0=0, var_603_arg_1=0, var_603_arg_2=54, var_604=0, var_604_arg_0=1, var_604_arg_1=0, var_604_arg_2=54, var_606=0, var_606_arg_0=0, var_606_arg_1=0, var_606_arg_2=0, var_607=0, var_607_arg_0=1, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=0, var_609_arg_1=0, var_609_arg_2=0, var_61=0, var_610=0, var_610_arg_0=1, var_610_arg_1=0, var_610_arg_2=0, var_612=0, var_612_arg_0=0, var_612_arg_1=0, var_612_arg_2=0, var_613=0, var_613_arg_0=1, var_613_arg_1=0, var_613_arg_2=0, var_615=2, var_615_arg_0=0, var_615_arg_1=0, var_615_arg_2=2, var_616=0, var_616_arg_0=1, var_616_arg_1=0, var_616_arg_2=2, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=1, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=0, var_62=0, var_621=0, var_621_arg_0=0, var_621_arg_1=0, var_621_arg_2=0, var_622=0, var_622_arg_0=1, var_622_arg_1=0, var_622_arg_2=0, var_624=0, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=0, var_625=0, var_625_arg_0=1, var_625_arg_1=0, var_625_arg_2=0, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=1, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=1, var_62_arg_1=0, var_63=0, var_630=0, var_630_arg_0=0, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=1, var_631_arg_1=0, var_631_arg_2=0, var_633=0, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=0, var_634=0, var_634_arg_0=1, var_634_arg_1=0, var_634_arg_2=0, var_636=49, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=49, var_637=0, var_637_arg_0=1, var_637_arg_1=0, var_637_arg_2=49, var_639=0, var_639_arg_0=0, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_640=0, var_640_arg_0=1, var_640_arg_1=0, var_640_arg_2=0, var_642=1, var_642_arg_0=0, var_642_arg_1=0, var_642_arg_2=1, var_643=0, var_643_arg_0=1, var_643_arg_1=0, var_643_arg_2=1, var_645=0, var_645_arg_0=0, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=1, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=1, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=0, var_651_arg_1=0, var_651_arg_2=0, var_652=0, var_652_arg_0=1, var_652_arg_1=0, var_652_arg_2=0, var_654=1, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=1, var_655=0, var_655_arg_0=1, var_655_arg_1=0, var_655_arg_2=1, var_657=0, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=0, var_658=0, var_658_arg_0=1, var_658_arg_1=0, var_658_arg_2=0, var_66=1, var_660=0, var_660_arg_0=0, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=1, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=0, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=1, var_664_arg_1=0, var_664_arg_2=0, var_666=51, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=51, var_667=0, var_667_arg_0=1, var_667_arg_1=0, var_667_arg_2=51, var_669=0, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=0, var_66_arg_0=1, var_67=1, var_670=0, var_670_arg_0=1, var_670_arg_1=0, var_670_arg_2=0, var_672=53, var_672_arg_0=0, var_672_arg_1=0, var_672_arg_2=53, var_673=0, var_673_arg_0=1, var_673_arg_1=0, var_673_arg_2=53, var_675=0, var_675_arg_0=0, var_675_arg_1=0, var_675_arg_2=0, var_676=0, var_676_arg_0=1, var_676_arg_1=0, var_676_arg_2=0, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=1, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=1, var_67_arg_1=1, var_68=2, var_681=0, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=0, var_682=0, var_682_arg_0=1, var_682_arg_1=0, var_682_arg_2=0, var_684=0, var_684_arg_0=0, var_685=1, var_685_arg_0=1, var_685_arg_1=0, var_686=1, var_686_arg_0=1, var_687=0, var_687_arg_0=1, var_687_arg_1=1, var_688=0, var_688_arg_0=1, var_688_arg_1=0, var_688_arg_2=0, var_68_arg_0=1, var_68_arg_1=2, var_68_arg_2=0, var_690=0, var_690_arg_0=0, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=1, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=0, var_694_arg_0=1, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=1, var_696_arg_1=0, var_696_arg_2=1, var_697=0, var_697_arg_0=1, var_697_arg_1=0, var_697_arg_2=0, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=1, var_700_arg_1=0, var_700_arg_2=0, var_703=254, var_703_arg_0=1, var_703_arg_1=254, var_703_arg_2=254, var_704=0, var_704_arg_0=1, var_704_arg_1=0, var_704_arg_2=254, var_71=1, var_71_arg_0=1, var_72=1, var_72_arg_0=1, var_72_arg_1=1, var_73=0, var_73_arg_0=1, var_73_arg_1=0, var_73_arg_2=2, var_75=20, var_76=2, var_76_arg_0=2, var_77=0, var_77_arg_0=1, var_77_arg_1=2, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_80=19, var_81=1, var_81_arg_0=1, var_82=1, var_82_arg_0=1, var_82_arg_1=1, var_83=0, var_83_arg_0=1, var_83_arg_1=0, var_83_arg_2=0, var_85=18, var_86=2, var_86_arg_0=2, var_87=0, var_87_arg_0=1, var_87_arg_1=2, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_90=17, var_91=2, var_91_arg_0=2, var_92=0, var_92_arg_0=1, var_92_arg_1=2, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=16, var_96=7, var_96_arg_0=7, var_97=0, var_97_arg_0=1, var_97_arg_1=7, var_98=0, var_98_arg_0=0, var_98_arg_1=0, var_98_arg_2=0] [L201] CALL assume_abort_if_not(constr_230_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L201] RET assume_abort_if_not(constr_230_arg_0) VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=5, input_231=42, input_4=6, input_5=0, input_6=3, input_7=0, input_8=1, input_9=255, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=255, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=128, next_584_arg_1=0, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=0, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=0, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=0, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=0, state_191=0, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=1, var_103_arg_0=1, var_103_arg_1=1, var_104=49, var_104_arg_0=1, var_104_arg_1=49, var_104_arg_2=0, var_106=14, var_107=35, var_107_arg_0=35, var_108=0, var_108_arg_0=1, var_108_arg_1=35, var_109=49, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=49, var_111=13, var_112=1, var_112_arg_0=1, var_113=1, var_113_arg_0=1, var_113_arg_1=1, var_114=1, var_114_arg_0=1, var_114_arg_1=1, var_114_arg_2=49, var_116=12, var_117=251, var_117_arg_0=251, var_118=0, var_118_arg_0=1, var_118_arg_1=251, var_119=1, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=1, var_121=11, var_122=1, var_122_arg_0=1, var_123=1, var_123_arg_0=1, var_123_arg_1=1, var_124=0, var_124_arg_0=1, var_124_arg_1=0, var_124_arg_2=1, var_126=10, var_127=1, var_127_arg_0=1, var_128=1, var_128_arg_0=1, var_128_arg_1=1, var_129=0, var_129_arg_0=1, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=1, var_132_arg_0=1, var_133=1, var_133_arg_0=1, var_133_arg_1=1, var_134=1, var_134_arg_0=1, var_134_arg_1=1, var_134_arg_2=0, var_136=8, var_137=1, var_137_arg_0=1, var_138=1, var_138_arg_0=1, var_138_arg_1=1, var_139=0, var_139_arg_0=1, var_139_arg_1=0, var_139_arg_2=1, var_14=1, var_142=7, var_143=1, var_143_arg_0=1, var_144=1, var_144_arg_0=1, var_144_arg_1=1, var_145=0, var_145_arg_0=1, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=253, var_148_arg_0=253, var_149=0, var_149_arg_0=1, var_149_arg_1=253, var_14_arg_0=255, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=250, var_153_arg_0=250, var_154=0, var_154_arg_0=1, var_154_arg_1=250, var_155=0, var_155_arg_0=0, var_155_arg_1=51, var_155_arg_2=0, var_157=4, var_158=1, var_158_arg_0=1, var_159=1, var_159_arg_0=1, var_159_arg_1=1, var_16=0, var_160=0, var_160_arg_0=1, var_160_arg_1=0, var_160_arg_2=0, var_163=3, var_164=1, var_164_arg_0=1, var_165=1, var_165_arg_0=1, var_165_arg_1=1, var_166=53, var_166_arg_0=1, var_166_arg_1=53, var_166_arg_2=0, var_168=2, var_169=1, var_169_arg_0=1, var_16_arg_0=1, var_16_arg_1=32, var_17=255, var_170=1, var_170_arg_0=1, var_170_arg_1=1, var_171=0, var_171_arg_0=1, var_171_arg_1=0, var_171_arg_2=53, var_173=1, var_174=1, var_174_arg_0=1, var_175=1, var_175_arg_0=1, var_175_arg_1=1, var_176=0, var_176_arg_0=1, var_176_arg_1=0, var_176_arg_2=0, var_178=1, var_178_arg_0=1, var_179=1, var_179_arg_0=1, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=255, var_180=0, var_180_arg_0=1, var_180_arg_1=0, var_180_arg_2=0, var_183=0, var_183_arg_0=0, var_184=3, var_184_arg_0=0, var_186=33, var_187=0, var_187_arg_0=0, var_188=1, var_188_arg_0=0, var_188_arg_1=0, var_192=238, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=238, var_195=1, var_195_arg_0=1, var_196=0, var_196_arg_0=0, var_196_arg_1=1, var_197=3, var_197_arg_0=0, var_198=0, var_198_arg_0=0, var_198_arg_1=3, var_199=0, var_199_arg_0=0, var_20=31, var_200=1, var_200_arg_0=1, var_200_arg_1=0, var_201=1, var_201_arg_0=1, var_202=0, var_202_arg_0=1, var_202_arg_1=1, var_203=0, var_204=0, var_204_arg_0=1, var_204_arg_1=0, var_204_arg_2=0, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_21=1, var_210=1, var_210_arg_0=0, var_210_arg_1=0, var_211=1, var_211_arg_0=0, var_211_arg_1=1, var_215=1, var_215_arg_0=0, var_215_arg_1=0, var_216=2, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=2, var_219=0, var_219_arg_0=1, var_21_arg_0=1, var_22=1, var_220=37, var_220_arg_0=3, var_221=0, var_221_arg_0=0, var_221_arg_1=37, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_225=56, var_225_arg_0=3, var_226=253, var_226_arg_0=0, var_227=0, var_227_arg_0=56, var_227_arg_1=253, var_228=255, var_228_arg_0=1, var_229=1, var_229_arg_0=0, var_229_arg_1=255, var_22_arg_0=1, var_22_arg_1=1, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=2, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=2, var_23_arg_0=1, var_23_arg_1=0, var_23_arg_2=255, var_241=1, var_241_arg_0=0, var_241_arg_1=1, var_242=1, var_242_arg_0=1, var_242_arg_1=1, var_25=30, var_26=1, var_26_arg_0=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=0, var_283=32, var_283_arg_0=254, var_284=1, var_284_arg_0=32, var_285=3, var_285_arg_0=1, var_286=0, var_286_arg_0=0, var_286_arg_1=3, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=32, var_291_arg_0=32, var_292=1, var_292_arg_0=32, var_292_arg_1=32, var_293=0, var_293_arg_0=0, var_293_arg_1=1, var_298=32, var_298_arg_0=32, var_299=1, var_299_arg_0=32, var_299_arg_1=32, var_30=29, var_300=0, var_300_arg_0=0, var_300_arg_1=1, var_305=2, var_305_arg_0=2, var_306=0, var_306_arg_0=32, var_306_arg_1=2, var_307=0, var_307_arg_0=0, var_307_arg_1=0, var_31=2, var_312=255, var_312_arg_0=255, var_313=0, var_313_arg_0=32, var_313_arg_1=255, var_314=0, var_314_arg_0=0, var_314_arg_1=0, var_319=33, var_319_arg_0=33, var_31_arg_0=2, var_32=0, var_320=0, var_320_arg_0=32, var_320_arg_1=33, var_321=0, var_321_arg_0=0, var_321_arg_1=0, var_326=32, var_326_arg_0=32, var_327=1, var_327_arg_0=32, var_327_arg_1=32, var_328=0, var_328_arg_0=0, var_328_arg_1=1, var_32_arg_0=1, var_32_arg_1=2, var_33=0, var_333=32, var_333_arg_0=32, var_334=1, var_334_arg_0=32, var_334_arg_1=32, var_335=0, var_335_arg_0=0, var_335_arg_1=1, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_340=254, var_340_arg_0=254, var_341=0, var_341_arg_0=32, var_341_arg_1=254, var_342=0, var_342_arg_0=0, var_342_arg_1=0, var_347=32, var_347_arg_0=32, var_348=1, var_348_arg_0=32, var_348_arg_1=32, var_349=0, var_349_arg_0=0, var_349_arg_1=1, var_35=28, var_354=33, var_354_arg_0=33, var_355=0, var_355_arg_0=32, var_355_arg_1=33, var_356=0, var_356_arg_0=0, var_356_arg_1=0, var_36=2, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=32, var_362_arg_1=1, var_363=0, var_363_arg_0=0, var_363_arg_1=0, var_368=32, var_368_arg_0=32, var_369=1, var_369_arg_0=32, var_369_arg_1=32, var_36_arg_0=2, var_37=0, var_370=0, var_370_arg_0=0, var_370_arg_1=1, var_375=33, var_375_arg_0=33, var_376=0, var_376_arg_0=32, var_376_arg_1=33, var_377=0, var_377_arg_0=0, var_377_arg_1=0, var_37_arg_0=1, var_37_arg_1=2, var_38=0, var_382=32, var_382_arg_0=32, var_383=1, var_383_arg_0=32, var_383_arg_1=32, var_384=0, var_384_arg_0=0, var_384_arg_1=1, var_389=32, var_389_arg_0=32, var_38_arg_0=0, var_38_arg_1=0, var_38_arg_2=0, var_390=1, var_390_arg_0=32, var_390_arg_1=32, var_391=0, var_391_arg_0=0, var_391_arg_1=1, var_396=2, var_396_arg_0=2, var_397=0, var_397_arg_0=32, var_397_arg_1=2, var_398=0, var_398_arg_0=0, var_398_arg_1=0, var_40=27, var_403=235, var_403_arg_0=235, var_404=0, var_404_arg_0=32, var_404_arg_1=235, var_405=0, var_405_arg_0=0, var_405_arg_1=0, var_41=7, var_410=251, var_410_arg_0=251, var_411=0, var_411_arg_0=32, var_411_arg_1=251, var_412=0, var_412_arg_0=0, var_412_arg_1=0, var_417=237, var_417_arg_0=237, var_418=0, var_418_arg_0=32, var_418_arg_1=237, var_419=0, var_419_arg_0=0, var_419_arg_1=0, var_41_arg_0=7, var_42=0, var_424=239, var_424_arg_0=239, var_425=0, var_425_arg_0=32, var_425_arg_1=239, var_426=0, var_426_arg_0=0, var_426_arg_1=0, var_42_arg_0=1, var_42_arg_1=7, var_43=0, var_431=241, var_431_arg_0=241, var_432=0, var_432_arg_0=32, var_432_arg_1=241, var_433=0, var_433_arg_0=0, var_433_arg_1=0, var_438=253, var_438_arg_0=253, var_439=0, var_439_arg_0=32, var_439_arg_1=253, var_43_arg_0=0, var_43_arg_1=1, var_43_arg_2=0, var_440=0, var_440_arg_0=0, var_440_arg_1=0, var_445=250, var_445_arg_0=250, var_446=0, var_446_arg_0=32, var_446_arg_1=250, var_447=0, var_447_arg_0=0, var_447_arg_1=0, var_45=26, var_452=32, var_452_arg_0=32, var_453=1, var_453_arg_0=32, var_453_arg_1=32, var_454=0, var_454_arg_0=0, var_454_arg_1=1, var_459=1, var_459_arg_0=32, var_459_arg_1=32, var_46=3, var_460=0, var_460_arg_0=0, var_460_arg_1=1, var_465=32, var_465_arg_0=32, var_466=1, var_466_arg_0=32, var_466_arg_1=32, var_467=0, var_467_arg_0=0, var_467_arg_1=1, var_46_arg_0=3, var_47=0, var_472=32, var_472_arg_0=32, var_473=1, var_473_arg_0=32, var_473_arg_1=32, var_474=0, var_474_arg_0=0, var_474_arg_1=1, var_479=248, var_479_arg_0=248, var_47_arg_0=1, var_47_arg_1=3, var_48=0, var_480=0, var_480_arg_0=32, var_480_arg_1=248, var_481=0, var_481_arg_0=0, var_481_arg_1=0, var_486=249, var_486_arg_0=249, var_487=0, var_487_arg_0=32, var_487_arg_1=249, var_488=0, var_488_arg_0=0, var_488_arg_1=0, var_48_arg_0=0, var_48_arg_1=54, var_48_arg_2=0, var_493=247, var_493_arg_0=247, var_494=0, var_494_arg_0=32, var_494_arg_1=247, var_495=0, var_495_arg_0=0, var_495_arg_1=0, var_50=25, var_500=33, var_500_arg_0=33, var_501=0, var_501_arg_0=32, var_501_arg_1=33, var_502=0, var_502_arg_0=0, var_502_arg_1=0, var_507=33, var_507_arg_0=33, var_508=0, var_508_arg_0=32, var_508_arg_1=33, var_509=0, var_509_arg_0=0, var_509_arg_1=0, var_51=1, var_512=1, var_512_arg_0=1, var_513=0, var_513_arg_0=255, var_513_arg_1=1, var_518=0, var_518_arg_0=0, var_519=254, var_519_arg_0=254, var_519_arg_1=0, var_51_arg_0=1, var_52=1, var_52_arg_0=1, var_52_arg_1=1, var_53=0, var_538=0, var_538_arg_0=2, var_538_arg_1=0, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=1, var_53_arg_1=0, var_53_arg_2=0, var_542=0, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=0, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=5, var_562=1, var_562_arg_0=0, var_562_arg_1=1, var_563=1, var_563_arg_0=1, var_563_arg_1=1, var_564=1, var_564_arg_0=1, var_564_arg_1=0, var_56_arg_0=5, var_57=0, var_57_arg_0=1, var_57_arg_1=5, var_58=0, var_581=0, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=0, var_582=0, var_583=0, var_583_arg_0=1, var_583_arg_1=0, var_583_arg_2=0, var_585=0, var_585_arg_0=1, var_585_arg_1=0, var_585_arg_2=255, var_586=0, var_586_arg_0=1, var_586_arg_1=0, var_586_arg_2=0, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=1, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_591=0, var_591_arg_0=0, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=1, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=0, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=1, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=1, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=1, var_600_arg_0=0, var_600_arg_1=0, var_600_arg_2=1, var_601=0, var_601_arg_0=1, var_601_arg_1=0, var_601_arg_2=1, var_603=54, var_603_arg_0=0, var_603_arg_1=0, var_603_arg_2=54, var_604=0, var_604_arg_0=1, var_604_arg_1=0, var_604_arg_2=54, var_606=0, var_606_arg_0=0, var_606_arg_1=0, var_606_arg_2=0, var_607=0, var_607_arg_0=1, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=0, var_609_arg_1=0, var_609_arg_2=0, var_61=0, var_610=0, var_610_arg_0=1, var_610_arg_1=0, var_610_arg_2=0, var_612=0, var_612_arg_0=0, var_612_arg_1=0, var_612_arg_2=0, var_613=0, var_613_arg_0=1, var_613_arg_1=0, var_613_arg_2=0, var_615=2, var_615_arg_0=0, var_615_arg_1=0, var_615_arg_2=2, var_616=0, var_616_arg_0=1, var_616_arg_1=0, var_616_arg_2=2, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=1, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=0, var_62=0, var_621=0, var_621_arg_0=0, var_621_arg_1=0, var_621_arg_2=0, var_622=0, var_622_arg_0=1, var_622_arg_1=0, var_622_arg_2=0, var_624=0, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=0, var_625=0, var_625_arg_0=1, var_625_arg_1=0, var_625_arg_2=0, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=1, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=1, var_62_arg_1=0, var_63=0, var_630=0, var_630_arg_0=0, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=1, var_631_arg_1=0, var_631_arg_2=0, var_633=0, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=0, var_634=0, var_634_arg_0=1, var_634_arg_1=0, var_634_arg_2=0, var_636=49, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=49, var_637=0, var_637_arg_0=1, var_637_arg_1=0, var_637_arg_2=49, var_639=0, var_639_arg_0=0, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_640=0, var_640_arg_0=1, var_640_arg_1=0, var_640_arg_2=0, var_642=1, var_642_arg_0=0, var_642_arg_1=0, var_642_arg_2=1, var_643=0, var_643_arg_0=1, var_643_arg_1=0, var_643_arg_2=1, var_645=0, var_645_arg_0=0, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=1, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=1, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=0, var_651_arg_1=0, var_651_arg_2=0, var_652=0, var_652_arg_0=1, var_652_arg_1=0, var_652_arg_2=0, var_654=1, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=1, var_655=0, var_655_arg_0=1, var_655_arg_1=0, var_655_arg_2=1, var_657=0, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=0, var_658=0, var_658_arg_0=1, var_658_arg_1=0, var_658_arg_2=0, var_66=1, var_660=0, var_660_arg_0=0, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=1, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=0, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=1, var_664_arg_1=0, var_664_arg_2=0, var_666=51, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=51, var_667=0, var_667_arg_0=1, var_667_arg_1=0, var_667_arg_2=51, var_669=0, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=0, var_66_arg_0=1, var_67=1, var_670=0, var_670_arg_0=1, var_670_arg_1=0, var_670_arg_2=0, var_672=53, var_672_arg_0=0, var_672_arg_1=0, var_672_arg_2=53, var_673=0, var_673_arg_0=1, var_673_arg_1=0, var_673_arg_2=53, var_675=0, var_675_arg_0=0, var_675_arg_1=0, var_675_arg_2=0, var_676=0, var_676_arg_0=1, var_676_arg_1=0, var_676_arg_2=0, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=1, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=1, var_67_arg_1=1, var_68=2, var_681=0, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=0, var_682=0, var_682_arg_0=1, var_682_arg_1=0, var_682_arg_2=0, var_684=0, var_684_arg_0=0, var_685=1, var_685_arg_0=1, var_685_arg_1=0, var_686=1, var_686_arg_0=1, var_687=0, var_687_arg_0=1, var_687_arg_1=1, var_688=0, var_688_arg_0=1, var_688_arg_1=0, var_688_arg_2=0, var_68_arg_0=1, var_68_arg_1=2, var_68_arg_2=0, var_690=0, var_690_arg_0=0, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=1, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=0, var_694_arg_0=1, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=1, var_696_arg_1=0, var_696_arg_2=1, var_697=0, var_697_arg_0=1, var_697_arg_1=0, var_697_arg_2=0, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=1, var_700_arg_1=0, var_700_arg_2=0, var_703=254, var_703_arg_0=1, var_703_arg_1=254, var_703_arg_2=254, var_704=0, var_704_arg_0=1, var_704_arg_1=0, var_704_arg_2=254, var_71=1, var_71_arg_0=1, var_72=1, var_72_arg_0=1, var_72_arg_1=1, var_73=0, var_73_arg_0=1, var_73_arg_1=0, var_73_arg_2=2, var_75=20, var_76=2, var_76_arg_0=2, var_77=0, var_77_arg_0=1, var_77_arg_1=2, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_80=19, var_81=1, var_81_arg_0=1, var_82=1, var_82_arg_0=1, var_82_arg_1=1, var_83=0, var_83_arg_0=1, var_83_arg_1=0, var_83_arg_2=0, var_85=18, var_86=2, var_86_arg_0=2, var_87=0, var_87_arg_0=1, var_87_arg_1=2, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_90=17, var_91=2, var_91_arg_0=2, var_92=0, var_92_arg_0=1, var_92_arg_1=2, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=16, var_96=7, var_96_arg_0=7, var_97=0, var_97_arg_0=1, var_97_arg_1=7, var_98=0, var_98_arg_0=0, var_98_arg_1=0, var_98_arg_2=0] [L203] SORT_1 var_234_arg_0 = state_213; [L204] SORT_1 var_234_arg_1 = var_233; [L205] SORT_1 var_234_arg_2 = var_173; [L206] EXPR var_234_arg_0 ? var_234_arg_1 : var_234_arg_2 [L206] SORT_1 var_234 = var_234_arg_0 ? var_234_arg_1 : var_234_arg_2; [L207] SORT_1 var_192_arg_0 = state_191; [L208] SORT_1 var_192 = ~var_192_arg_0; [L209] SORT_1 var_193_arg_0 = state_190; [L210] SORT_1 var_193_arg_1 = var_192; [L211] SORT_1 var_193 = var_193_arg_0 & var_193_arg_1; [L212] SORT_11 var_195_arg_0 = state_194; [L213] SORT_1 var_195 = var_195_arg_0 != 0; [L214] SORT_1 var_196_arg_0 = var_193; [L215] SORT_1 var_196_arg_1 = var_195; [L216] SORT_1 var_196 = var_196_arg_0 & var_196_arg_1; [L217] SORT_1 var_197_arg_0 = state_190; [L218] SORT_1 var_197 = ~var_197_arg_0; [L219] SORT_1 var_198_arg_0 = input_6; [L220] SORT_1 var_198_arg_1 = var_197; [L221] SORT_1 var_198 = var_198_arg_0 & var_198_arg_1; [L222] SORT_1 var_199_arg_0 = var_198; [L223] var_199_arg_0 = var_199_arg_0 & mask_SORT_1 [L224] SORT_11 var_199 = var_199_arg_0; [L225] SORT_11 var_200_arg_0 = state_194; [L226] SORT_11 var_200_arg_1 = var_199; [L227] SORT_11 var_200 = var_200_arg_0 + var_200_arg_1; [L228] SORT_1 var_201_arg_0 = input_5; [L229] var_201_arg_0 = var_201_arg_0 & mask_SORT_1 [L230] SORT_11 var_201 = var_201_arg_0; [L231] SORT_11 var_202_arg_0 = var_200; [L232] SORT_11 var_202_arg_1 = var_201; [L233] SORT_11 var_202 = var_202_arg_0 - var_202_arg_1; [L234] SORT_1 var_204_arg_0 = input_7; [L235] SORT_11 var_204_arg_1 = var_203; [L236] SORT_11 var_204_arg_2 = var_202; [L237] EXPR var_204_arg_0 ? var_204_arg_1 : var_204_arg_2 [L237] SORT_11 var_204 = var_204_arg_0 ? var_204_arg_1 : var_204_arg_2; [L238] var_204 = var_204 & mask_SORT_11 [L239] SORT_11 var_205_arg_0 = var_204; [L240] SORT_1 var_205 = var_205_arg_0 != 0; [L241] SORT_1 var_206_arg_0 = var_205; [L242] SORT_1 var_206 = ~var_206_arg_0; [L243] SORT_1 var_207_arg_0 = var_196; [L244] SORT_1 var_207_arg_1 = var_206; [L245] SORT_1 var_207 = var_207_arg_0 & var_207_arg_1; [L246] SORT_1 var_208_arg_0 = var_207; [L247] SORT_1 var_208 = ~var_208_arg_0; [L248] SORT_11 var_14_arg_0 = state_12; [L249] SORT_13 var_14 = var_14_arg_0 >> 0; [L250] var_14 = var_14 & mask_SORT_13 [L251] SORT_13 var_178_arg_0 = var_14; [L252] SORT_1 var_178 = var_178_arg_0 != 0; [L253] SORT_1 var_179_arg_0 = var_178; [L254] SORT_1 var_179 = ~var_179_arg_0; [L255] var_179 = var_179 & mask_SORT_1 [L256] SORT_1 var_174_arg_0 = var_173; [L257] var_174_arg_0 = var_174_arg_0 & mask_SORT_1 [L258] SORT_13 var_174 = var_174_arg_0; [L259] SORT_13 var_175_arg_0 = var_14; [L260] SORT_13 var_175_arg_1 = var_174; [L261] SORT_1 var_175 = var_175_arg_0 == var_175_arg_1; [L262] SORT_162 var_169_arg_0 = var_168; [L263] var_169_arg_0 = var_169_arg_0 & mask_SORT_162 [L264] SORT_13 var_169 = var_169_arg_0; [L265] SORT_13 var_170_arg_0 = var_14; [L266] SORT_13 var_170_arg_1 = var_169; [L267] SORT_1 var_170 = var_170_arg_0 == var_170_arg_1; [L268] SORT_162 var_164_arg_0 = var_163; [L269] var_164_arg_0 = var_164_arg_0 & mask_SORT_162 [L270] SORT_13 var_164 = var_164_arg_0; [L271] SORT_13 var_165_arg_0 = var_14; [L272] SORT_13 var_165_arg_1 = var_164; [L273] SORT_1 var_165 = var_165_arg_0 == var_165_arg_1; [L274] SORT_141 var_158_arg_0 = var_157; [L275] var_158_arg_0 = var_158_arg_0 & mask_SORT_141 [L276] SORT_13 var_158 = var_158_arg_0; [L277] SORT_13 var_159_arg_0 = var_14; [L278] SORT_13 var_159_arg_1 = var_158; [L279] SORT_1 var_159 = var_159_arg_0 == var_159_arg_1; [L280] SORT_141 var_153_arg_0 = var_152; [L281] var_153_arg_0 = var_153_arg_0 & mask_SORT_141 [L282] SORT_13 var_153 = var_153_arg_0; [L283] SORT_13 var_154_arg_0 = var_14; [L284] SORT_13 var_154_arg_1 = var_153; [L285] SORT_1 var_154 = var_154_arg_0 == var_154_arg_1; [L286] SORT_141 var_148_arg_0 = var_147; [L287] var_148_arg_0 = var_148_arg_0 & mask_SORT_141 [L288] SORT_13 var_148 = var_148_arg_0; [L289] SORT_13 var_149_arg_0 = var_14; [L290] SORT_13 var_149_arg_1 = var_148; [L291] SORT_1 var_149 = var_149_arg_0 == var_149_arg_1; [L292] SORT_141 var_143_arg_0 = var_142; [L293] var_143_arg_0 = var_143_arg_0 & mask_SORT_141 [L294] SORT_13 var_143 = var_143_arg_0; [L295] SORT_13 var_144_arg_0 = var_14; [L296] SORT_13 var_144_arg_1 = var_143; [L297] SORT_1 var_144 = var_144_arg_0 == var_144_arg_1; [L298] SORT_100 var_137_arg_0 = var_136; [L299] var_137_arg_0 = var_137_arg_0 & mask_SORT_100 [L300] SORT_13 var_137 = var_137_arg_0; [L301] SORT_13 var_138_arg_0 = var_14; [L302] SORT_13 var_138_arg_1 = var_137; [L303] SORT_1 var_138 = var_138_arg_0 == var_138_arg_1; [L304] SORT_100 var_132_arg_0 = var_131; [L305] var_132_arg_0 = var_132_arg_0 & mask_SORT_100 [L306] SORT_13 var_132 = var_132_arg_0; [L307] SORT_13 var_133_arg_0 = var_14; [L308] SORT_13 var_133_arg_1 = var_132; [L309] SORT_1 var_133 = var_133_arg_0 == var_133_arg_1; [L310] SORT_100 var_127_arg_0 = var_126; [L311] var_127_arg_0 = var_127_arg_0 & mask_SORT_100 [L312] SORT_13 var_127 = var_127_arg_0; [L313] SORT_13 var_128_arg_0 = var_14; [L314] SORT_13 var_128_arg_1 = var_127; [L315] SORT_1 var_128 = var_128_arg_0 == var_128_arg_1; [L316] SORT_100 var_122_arg_0 = var_121; [L317] var_122_arg_0 = var_122_arg_0 & mask_SORT_100 [L318] SORT_13 var_122 = var_122_arg_0; [L319] SORT_13 var_123_arg_0 = var_14; [L320] SORT_13 var_123_arg_1 = var_122; [L321] SORT_1 var_123 = var_123_arg_0 == var_123_arg_1; [L322] SORT_100 var_117_arg_0 = var_116; [L323] var_117_arg_0 = var_117_arg_0 & mask_SORT_100 [L324] SORT_13 var_117 = var_117_arg_0; [L325] SORT_13 var_118_arg_0 = var_14; [L326] SORT_13 var_118_arg_1 = var_117; [L327] SORT_1 var_118 = var_118_arg_0 == var_118_arg_1; [L328] SORT_100 var_112_arg_0 = var_111; [L329] var_112_arg_0 = var_112_arg_0 & mask_SORT_100 [L330] SORT_13 var_112 = var_112_arg_0; [L331] SORT_13 var_113_arg_0 = var_14; [L332] SORT_13 var_113_arg_1 = var_112; [L333] SORT_1 var_113 = var_113_arg_0 == var_113_arg_1; [L334] SORT_100 var_107_arg_0 = var_106; [L335] var_107_arg_0 = var_107_arg_0 & mask_SORT_100 [L336] SORT_13 var_107 = var_107_arg_0; [L337] SORT_13 var_108_arg_0 = var_14; [L338] SORT_13 var_108_arg_1 = var_107; [L339] SORT_1 var_108 = var_108_arg_0 == var_108_arg_1; [L340] SORT_100 var_102_arg_0 = var_101; [L341] var_102_arg_0 = var_102_arg_0 & mask_SORT_100 [L342] SORT_13 var_102 = var_102_arg_0; [L343] SORT_13 var_103_arg_0 = var_14; [L344] SORT_13 var_103_arg_1 = var_102; [L345] SORT_1 var_103 = var_103_arg_0 == var_103_arg_1; [L346] SORT_19 var_96_arg_0 = var_95; [L347] var_96_arg_0 = var_96_arg_0 & mask_SORT_19 [L348] SORT_13 var_96 = var_96_arg_0; [L349] SORT_13 var_97_arg_0 = var_14; [L350] SORT_13 var_97_arg_1 = var_96; [L351] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L352] SORT_19 var_91_arg_0 = var_90; [L353] var_91_arg_0 = var_91_arg_0 & mask_SORT_19 [L354] SORT_13 var_91 = var_91_arg_0; [L355] SORT_13 var_92_arg_0 = var_14; [L356] SORT_13 var_92_arg_1 = var_91; [L357] SORT_1 var_92 = var_92_arg_0 == var_92_arg_1; [L358] SORT_19 var_86_arg_0 = var_85; [L359] var_86_arg_0 = var_86_arg_0 & mask_SORT_19 [L360] SORT_13 var_86 = var_86_arg_0; [L361] SORT_13 var_87_arg_0 = var_14; [L362] SORT_13 var_87_arg_1 = var_86; [L363] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L364] SORT_19 var_81_arg_0 = var_80; [L365] var_81_arg_0 = var_81_arg_0 & mask_SORT_19 [L366] SORT_13 var_81 = var_81_arg_0; [L367] SORT_13 var_82_arg_0 = var_14; [L368] SORT_13 var_82_arg_1 = var_81; [L369] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L370] SORT_19 var_76_arg_0 = var_75; [L371] var_76_arg_0 = var_76_arg_0 & mask_SORT_19 [L372] SORT_13 var_76 = var_76_arg_0; [L373] SORT_13 var_77_arg_0 = var_14; [L374] SORT_13 var_77_arg_1 = var_76; [L375] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L376] SORT_19 var_71_arg_0 = var_70; [L377] var_71_arg_0 = var_71_arg_0 & mask_SORT_19 [L378] SORT_13 var_71 = var_71_arg_0; [L379] SORT_13 var_72_arg_0 = var_14; [L380] SORT_13 var_72_arg_1 = var_71; [L381] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L382] SORT_19 var_66_arg_0 = var_65; [L383] var_66_arg_0 = var_66_arg_0 & mask_SORT_19 [L384] SORT_13 var_66 = var_66_arg_0; [L385] SORT_13 var_67_arg_0 = var_14; [L386] SORT_13 var_67_arg_1 = var_66; [L387] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L388] SORT_19 var_61_arg_0 = var_60; [L389] var_61_arg_0 = var_61_arg_0 & mask_SORT_19 [L390] SORT_13 var_61 = var_61_arg_0; [L391] SORT_13 var_62_arg_0 = var_14; [L392] SORT_13 var_62_arg_1 = var_61; [L393] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L394] SORT_19 var_56_arg_0 = var_55; [L395] var_56_arg_0 = var_56_arg_0 & mask_SORT_19 [L396] SORT_13 var_56 = var_56_arg_0; [L397] SORT_13 var_57_arg_0 = var_14; [L398] SORT_13 var_57_arg_1 = var_56; [L399] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L400] SORT_19 var_51_arg_0 = var_50; [L401] var_51_arg_0 = var_51_arg_0 & mask_SORT_19 [L402] SORT_13 var_51 = var_51_arg_0; [L403] SORT_13 var_52_arg_0 = var_14; [L404] SORT_13 var_52_arg_1 = var_51; [L405] SORT_1 var_52 = var_52_arg_0 == var_52_arg_1; [L406] SORT_19 var_46_arg_0 = var_45; [L407] var_46_arg_0 = var_46_arg_0 & mask_SORT_19 [L408] SORT_13 var_46 = var_46_arg_0; [L409] SORT_13 var_47_arg_0 = var_14; [L410] SORT_13 var_47_arg_1 = var_46; [L411] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L412] SORT_19 var_41_arg_0 = var_40; [L413] var_41_arg_0 = var_41_arg_0 & mask_SORT_19 [L414] SORT_13 var_41 = var_41_arg_0; [L415] SORT_13 var_42_arg_0 = var_14; [L416] SORT_13 var_42_arg_1 = var_41; [L417] SORT_1 var_42 = var_42_arg_0 == var_42_arg_1; [L418] SORT_19 var_36_arg_0 = var_35; [L419] var_36_arg_0 = var_36_arg_0 & mask_SORT_19 [L420] SORT_13 var_36 = var_36_arg_0; [L421] SORT_13 var_37_arg_0 = var_14; [L422] SORT_13 var_37_arg_1 = var_36; [L423] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L424] SORT_19 var_31_arg_0 = var_30; [L425] var_31_arg_0 = var_31_arg_0 & mask_SORT_19 [L426] SORT_13 var_31 = var_31_arg_0; [L427] SORT_13 var_32_arg_0 = var_14; [L428] SORT_13 var_32_arg_1 = var_31; [L429] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L430] SORT_19 var_26_arg_0 = var_25; [L431] var_26_arg_0 = var_26_arg_0 & mask_SORT_19 [L432] SORT_13 var_26 = var_26_arg_0; [L433] SORT_13 var_27_arg_0 = var_14; [L434] SORT_13 var_27_arg_1 = var_26; [L435] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L436] SORT_19 var_21_arg_0 = var_20; [L437] var_21_arg_0 = var_21_arg_0 & mask_SORT_19 [L438] SORT_13 var_21 = var_21_arg_0; [L439] SORT_13 var_22_arg_0 = var_14; [L440] SORT_13 var_22_arg_1 = var_21; [L441] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L442] SORT_13 var_16_arg_0 = var_14; [L443] SORT_13 var_16_arg_1 = var_15; [L444] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L445] SORT_1 var_17_arg_0 = var_16; [L446] SORT_3 var_17_arg_1 = state_10; [L447] SORT_3 var_17_arg_2 = input_9; [L448] EXPR var_17_arg_0 ? var_17_arg_1 : var_17_arg_2 [L448] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L449] SORT_1 var_23_arg_0 = var_22; [L450] SORT_3 var_23_arg_1 = state_18; [L451] SORT_3 var_23_arg_2 = var_17; [L452] EXPR var_23_arg_0 ? var_23_arg_1 : var_23_arg_2 [L452] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L453] SORT_1 var_28_arg_0 = var_27; [L454] SORT_3 var_28_arg_1 = state_24; [L455] SORT_3 var_28_arg_2 = var_23; [L456] EXPR var_28_arg_0 ? var_28_arg_1 : var_28_arg_2 [L456] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L457] SORT_1 var_33_arg_0 = var_32; [L458] SORT_3 var_33_arg_1 = state_29; [L459] SORT_3 var_33_arg_2 = var_28; [L460] EXPR var_33_arg_0 ? var_33_arg_1 : var_33_arg_2 [L460] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L461] SORT_1 var_38_arg_0 = var_37; [L462] SORT_3 var_38_arg_1 = state_34; [L463] SORT_3 var_38_arg_2 = var_33; [L464] EXPR var_38_arg_0 ? var_38_arg_1 : var_38_arg_2 [L464] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L465] SORT_1 var_43_arg_0 = var_42; [L466] SORT_3 var_43_arg_1 = state_39; [L467] SORT_3 var_43_arg_2 = var_38; [L468] EXPR var_43_arg_0 ? var_43_arg_1 : var_43_arg_2 [L468] SORT_3 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L469] SORT_1 var_48_arg_0 = var_47; [L470] SORT_3 var_48_arg_1 = state_44; [L471] SORT_3 var_48_arg_2 = var_43; [L472] EXPR var_48_arg_0 ? var_48_arg_1 : var_48_arg_2 [L472] SORT_3 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L473] SORT_1 var_53_arg_0 = var_52; [L474] SORT_3 var_53_arg_1 = state_49; [L475] SORT_3 var_53_arg_2 = var_48; [L476] EXPR var_53_arg_0 ? var_53_arg_1 : var_53_arg_2 [L476] SORT_3 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L477] SORT_1 var_58_arg_0 = var_57; [L478] SORT_3 var_58_arg_1 = state_54; [L479] SORT_3 var_58_arg_2 = var_53; [L480] EXPR var_58_arg_0 ? var_58_arg_1 : var_58_arg_2 [L480] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L481] SORT_1 var_63_arg_0 = var_62; [L482] SORT_3 var_63_arg_1 = state_59; [L483] SORT_3 var_63_arg_2 = var_58; [L484] EXPR var_63_arg_0 ? var_63_arg_1 : var_63_arg_2 [L484] SORT_3 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L485] SORT_1 var_68_arg_0 = var_67; [L486] SORT_3 var_68_arg_1 = state_64; [L487] SORT_3 var_68_arg_2 = var_63; [L488] EXPR var_68_arg_0 ? var_68_arg_1 : var_68_arg_2 [L488] SORT_3 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L489] SORT_1 var_73_arg_0 = var_72; [L490] SORT_3 var_73_arg_1 = state_69; [L491] SORT_3 var_73_arg_2 = var_68; [L492] EXPR var_73_arg_0 ? var_73_arg_1 : var_73_arg_2 [L492] SORT_3 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L493] SORT_1 var_78_arg_0 = var_77; [L494] SORT_3 var_78_arg_1 = state_74; [L495] SORT_3 var_78_arg_2 = var_73; [L496] EXPR var_78_arg_0 ? var_78_arg_1 : var_78_arg_2 [L496] SORT_3 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L497] SORT_1 var_83_arg_0 = var_82; [L498] SORT_3 var_83_arg_1 = state_79; [L499] SORT_3 var_83_arg_2 = var_78; [L500] EXPR var_83_arg_0 ? var_83_arg_1 : var_83_arg_2 [L500] SORT_3 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L501] SORT_1 var_88_arg_0 = var_87; [L502] SORT_3 var_88_arg_1 = state_84; [L503] SORT_3 var_88_arg_2 = var_83; [L504] EXPR var_88_arg_0 ? var_88_arg_1 : var_88_arg_2 [L504] SORT_3 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L505] SORT_1 var_93_arg_0 = var_92; [L506] SORT_3 var_93_arg_1 = state_89; [L507] SORT_3 var_93_arg_2 = var_88; [L508] EXPR var_93_arg_0 ? var_93_arg_1 : var_93_arg_2 [L508] SORT_3 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L509] SORT_1 var_98_arg_0 = var_97; [L510] SORT_3 var_98_arg_1 = state_94; [L511] SORT_3 var_98_arg_2 = var_93; [L512] EXPR var_98_arg_0 ? var_98_arg_1 : var_98_arg_2 [L512] SORT_3 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L513] SORT_1 var_104_arg_0 = var_103; [L514] SORT_3 var_104_arg_1 = state_99; [L515] SORT_3 var_104_arg_2 = var_98; [L516] EXPR var_104_arg_0 ? var_104_arg_1 : var_104_arg_2 [L516] SORT_3 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L517] SORT_1 var_109_arg_0 = var_108; [L518] SORT_3 var_109_arg_1 = state_105; [L519] SORT_3 var_109_arg_2 = var_104; [L520] EXPR var_109_arg_0 ? var_109_arg_1 : var_109_arg_2 [L520] SORT_3 var_109 = var_109_arg_0 ? var_109_arg_1 : var_109_arg_2; [L521] SORT_1 var_114_arg_0 = var_113; [L522] SORT_3 var_114_arg_1 = state_110; [L523] SORT_3 var_114_arg_2 = var_109; [L524] EXPR var_114_arg_0 ? var_114_arg_1 : var_114_arg_2 [L524] SORT_3 var_114 = var_114_arg_0 ? var_114_arg_1 : var_114_arg_2; [L525] SORT_1 var_119_arg_0 = var_118; [L526] SORT_3 var_119_arg_1 = state_115; [L527] SORT_3 var_119_arg_2 = var_114; [L528] EXPR var_119_arg_0 ? var_119_arg_1 : var_119_arg_2 [L528] SORT_3 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L529] SORT_1 var_124_arg_0 = var_123; [L530] SORT_3 var_124_arg_1 = state_120; [L531] SORT_3 var_124_arg_2 = var_119; [L532] EXPR var_124_arg_0 ? var_124_arg_1 : var_124_arg_2 [L532] SORT_3 var_124 = var_124_arg_0 ? var_124_arg_1 : var_124_arg_2; [L533] SORT_1 var_129_arg_0 = var_128; [L534] SORT_3 var_129_arg_1 = state_125; [L535] SORT_3 var_129_arg_2 = var_124; [L536] EXPR var_129_arg_0 ? var_129_arg_1 : var_129_arg_2 [L536] SORT_3 var_129 = var_129_arg_0 ? var_129_arg_1 : var_129_arg_2; [L537] SORT_1 var_134_arg_0 = var_133; [L538] SORT_3 var_134_arg_1 = state_130; [L539] SORT_3 var_134_arg_2 = var_129; [L540] EXPR var_134_arg_0 ? var_134_arg_1 : var_134_arg_2 [L540] SORT_3 var_134 = var_134_arg_0 ? var_134_arg_1 : var_134_arg_2; [L541] SORT_1 var_139_arg_0 = var_138; [L542] SORT_3 var_139_arg_1 = state_135; [L543] SORT_3 var_139_arg_2 = var_134; [L544] EXPR var_139_arg_0 ? var_139_arg_1 : var_139_arg_2 [L544] SORT_3 var_139 = var_139_arg_0 ? var_139_arg_1 : var_139_arg_2; [L545] SORT_1 var_145_arg_0 = var_144; [L546] SORT_3 var_145_arg_1 = state_140; [L547] SORT_3 var_145_arg_2 = var_139; [L548] EXPR var_145_arg_0 ? var_145_arg_1 : var_145_arg_2 [L548] SORT_3 var_145 = var_145_arg_0 ? var_145_arg_1 : var_145_arg_2; [L549] SORT_1 var_150_arg_0 = var_149; [L550] SORT_3 var_150_arg_1 = state_146; [L551] SORT_3 var_150_arg_2 = var_145; [L552] EXPR var_150_arg_0 ? var_150_arg_1 : var_150_arg_2 [L552] SORT_3 var_150 = var_150_arg_0 ? var_150_arg_1 : var_150_arg_2; [L553] SORT_1 var_155_arg_0 = var_154; [L554] SORT_3 var_155_arg_1 = state_151; [L555] SORT_3 var_155_arg_2 = var_150; [L556] EXPR var_155_arg_0 ? var_155_arg_1 : var_155_arg_2 [L556] SORT_3 var_155 = var_155_arg_0 ? var_155_arg_1 : var_155_arg_2; [L557] SORT_1 var_160_arg_0 = var_159; [L558] SORT_3 var_160_arg_1 = state_156; [L559] SORT_3 var_160_arg_2 = var_155; [L560] EXPR var_160_arg_0 ? var_160_arg_1 : var_160_arg_2 [L560] SORT_3 var_160 = var_160_arg_0 ? var_160_arg_1 : var_160_arg_2; [L561] SORT_1 var_166_arg_0 = var_165; [L562] SORT_3 var_166_arg_1 = state_161; [L563] SORT_3 var_166_arg_2 = var_160; [L564] EXPR var_166_arg_0 ? var_166_arg_1 : var_166_arg_2 [L564] SORT_3 var_166 = var_166_arg_0 ? var_166_arg_1 : var_166_arg_2; [L565] SORT_1 var_171_arg_0 = var_170; [L566] SORT_3 var_171_arg_1 = state_167; [L567] SORT_3 var_171_arg_2 = var_166; [L568] EXPR var_171_arg_0 ? var_171_arg_1 : var_171_arg_2 [L568] SORT_3 var_171 = var_171_arg_0 ? var_171_arg_1 : var_171_arg_2; [L569] SORT_1 var_176_arg_0 = var_175; [L570] SORT_3 var_176_arg_1 = state_172; [L571] SORT_3 var_176_arg_2 = var_171; [L572] EXPR var_176_arg_0 ? var_176_arg_1 : var_176_arg_2 [L572] SORT_3 var_176 = var_176_arg_0 ? var_176_arg_1 : var_176_arg_2; [L573] SORT_1 var_180_arg_0 = var_179; [L574] SORT_3 var_180_arg_1 = state_177; [L575] SORT_3 var_180_arg_2 = var_176; [L576] EXPR var_180_arg_0 ? var_180_arg_1 : var_180_arg_2 [L576] SORT_3 var_180 = var_180_arg_0 ? var_180_arg_1 : var_180_arg_2; [L577] var_180 = var_180 & mask_SORT_3 [L578] SORT_3 var_210_arg_0 = state_209; [L579] SORT_3 var_210_arg_1 = var_180; [L580] SORT_1 var_210 = var_210_arg_0 == var_210_arg_1; [L581] SORT_1 var_211_arg_0 = var_208; [L582] SORT_1 var_211_arg_1 = var_210; [L583] SORT_1 var_211 = var_211_arg_0 | var_211_arg_1; [L584] SORT_1 var_232_arg_0 = state_213; [L585] SORT_1 var_232_arg_1 = input_231; [L586] SORT_1 var_232_arg_2 = var_211; [L587] EXPR var_232_arg_0 ? var_232_arg_1 : var_232_arg_2 [L587] SORT_1 var_232 = var_232_arg_0 ? var_232_arg_1 : var_232_arg_2; [L588] SORT_1 var_235_arg_0 = var_232; [L589] SORT_1 var_235 = ~var_235_arg_0; [L590] SORT_1 var_236_arg_0 = var_234; [L591] SORT_1 var_236_arg_1 = var_235; [L592] SORT_1 var_236 = var_236_arg_0 & var_236_arg_1; [L593] var_236 = var_236 & mask_SORT_1 [L594] SORT_1 bad_237_arg_0 = var_236; [L595] CALL __VERIFIER_assert(!(bad_237_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 466.7s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 11 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=1, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 237.8s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-03 02:45:02,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d32_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5eb28cc7575e168a1cfc976b73d33f741d269483737674360dc29ea051121d5b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:45:05,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:45:05,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:45:05,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:45:05,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:45:05,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:45:05,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:45:05,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:45:05,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:45:05,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:45:05,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:45:05,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:45:05,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:45:05,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:45:05,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:45:05,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:45:05,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:45:05,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:45:05,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:45:05,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:45:05,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:45:05,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:45:05,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:45:05,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:45:05,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:45:05,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:45:05,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:45:05,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:45:05,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:45:05,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:45:05,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:45:05,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:45:05,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:45:05,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:45:05,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:45:05,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:45:05,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:45:05,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:45:05,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:45:05,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:45:05,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:45:05,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 02:45:05,570 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:45:05,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:45:05,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:45:05,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:45:05,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:45:05,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:45:05,573 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:45:05,573 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:45:05,573 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:45:05,573 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:45:05,574 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:45:05,574 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:45:05,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:45:05,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:45:05,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:45:05,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:45:05,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:45:05,576 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:45:05,576 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:45:05,576 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:45:05,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:45:05,577 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:45:05,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:45:05,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:45:05,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:45:05,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:45:05,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:45:05,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:45:05,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:45:05,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:45:05,579 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:45:05,579 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:45:05,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:45:05,580 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:45:05,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:45:05,580 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb28cc7575e168a1cfc976b73d33f741d269483737674360dc29ea051121d5b [2022-11-03 02:45:06,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:45:06,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:45:06,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:45:06,060 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:45:06,060 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:45:06,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d32_e0.c [2022-11-03 02:45:06,152 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/data/e682a9e22/18f87c512be54411af742bcc0dd4fe21/FLAG8848496d7 [2022-11-03 02:45:06,876 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:45:06,886 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d32_e0.c [2022-11-03 02:45:06,910 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/data/e682a9e22/18f87c512be54411af742bcc0dd4fe21/FLAG8848496d7 [2022-11-03 02:45:07,129 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/data/e682a9e22/18f87c512be54411af742bcc0dd4fe21 [2022-11-03 02:45:07,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:45:07,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:45:07,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:45:07,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:45:07,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:45:07,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:45:07" (1/1) ... [2022-11-03 02:45:07,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7884a6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:07, skipping insertion in model container [2022-11-03 02:45:07,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:45:07" (1/1) ... [2022-11-03 02:45:07,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:45:07,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:45:07,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d32_e0.c[1116,1129] [2022-11-03 02:45:07,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:45:07,773 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:45:07,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d32_e0.c[1116,1129] [2022-11-03 02:45:07,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:45:07,970 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:45:07,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:07 WrapperNode [2022-11-03 02:45:07,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:45:07,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:45:07,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:45:07,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:45:07,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:07" (1/1) ... [2022-11-03 02:45:08,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:07" (1/1) ... [2022-11-03 02:45:08,097 INFO L138 Inliner]: procedures = 11, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1864 [2022-11-03 02:45:08,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:45:08,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:45:08,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:45:08,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:45:08,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:07" (1/1) ... [2022-11-03 02:45:08,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:07" (1/1) ... [2022-11-03 02:45:08,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:07" (1/1) ... [2022-11-03 02:45:08,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:07" (1/1) ... [2022-11-03 02:45:08,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:07" (1/1) ... [2022-11-03 02:45:08,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:07" (1/1) ... [2022-11-03 02:45:08,222 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:07" (1/1) ... [2022-11-03 02:45:08,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:07" (1/1) ... [2022-11-03 02:45:08,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:45:08,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:45:08,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:45:08,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:45:08,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:07" (1/1) ... [2022-11-03 02:45:08,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:45:08,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:45:08,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:45:08,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:45:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:45:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:45:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:45:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:45:08,830 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:45:08,832 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:45:10,246 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:45:10,257 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:45:10,257 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:45:10,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:45:10 BoogieIcfgContainer [2022-11-03 02:45:10,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:45:10,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:45:10,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:45:10,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:45:10,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:45:07" (1/3) ... [2022-11-03 02:45:10,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6c3904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:45:10, skipping insertion in model container [2022-11-03 02:45:10,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:07" (2/3) ... [2022-11-03 02:45:10,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6c3904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:45:10, skipping insertion in model container [2022-11-03 02:45:10,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:45:10" (3/3) ... [2022-11-03 02:45:10,269 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w8_d32_e0.c [2022-11-03 02:45:10,289 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:45:10,289 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:45:10,344 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:45:10,351 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b77b5be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:45:10,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:45:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 251 states, 245 states have (on average 1.489795918367347) internal successors, (365), 246 states have internal predecessors, (365), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:10,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:10,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:10,368 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:10,369 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:10,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:10,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1491409808, now seen corresponding path program 1 times [2022-11-03 02:45:10,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:10,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306991830] [2022-11-03 02:45:10,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:10,391 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:10,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:10,397 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:10,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 02:45:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:11,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-03 02:45:11,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:11,111 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 02:45:11,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:11,114 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:11,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306991830] [2022-11-03 02:45:11,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306991830] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:11,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:11,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:45:11,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474234994] [2022-11-03 02:45:11,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:11,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:45:11,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:11,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:45:11,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:45:11,172 INFO L87 Difference]: Start difference. First operand has 251 states, 245 states have (on average 1.489795918367347) internal successors, (365), 246 states have internal predecessors, (365), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 02:45:11,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:11,250 INFO L93 Difference]: Finished difference Result 496 states and 740 transitions. [2022-11-03 02:45:11,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:45:11,254 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 95 [2022-11-03 02:45:11,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:11,273 INFO L225 Difference]: With dead ends: 496 [2022-11-03 02:45:11,273 INFO L226 Difference]: Without dead ends: 247 [2022-11-03 02:45:11,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:45:11,290 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:11,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:45:11,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-03 02:45:11,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-11-03 02:45:11,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 242 states have (on average 1.4793388429752066) internal successors, (358), 242 states have internal predecessors, (358), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:11,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 364 transitions. [2022-11-03 02:45:11,352 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 364 transitions. Word has length 95 [2022-11-03 02:45:11,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:11,352 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 364 transitions. [2022-11-03 02:45:11,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 02:45:11,353 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 364 transitions. [2022-11-03 02:45:11,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:11,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:11,357 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:11,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:11,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:11,574 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:11,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:11,574 INFO L85 PathProgramCache]: Analyzing trace with hash -654443862, now seen corresponding path program 1 times [2022-11-03 02:45:11,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:11,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451726747] [2022-11-03 02:45:11,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:11,576 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:11,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:11,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:11,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 02:45:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:12,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:12,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:12,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:12,560 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:12,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [451726747] [2022-11-03 02:45:12,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [451726747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:12,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:12,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:12,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113433488] [2022-11-03 02:45:12,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:12,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:12,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:12,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:12,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:12,570 INFO L87 Difference]: Start difference. First operand 247 states and 364 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:13,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:13,088 INFO L93 Difference]: Finished difference Result 984 states and 1457 transitions. [2022-11-03 02:45:13,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:13,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:13,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:13,092 INFO L225 Difference]: With dead ends: 984 [2022-11-03 02:45:13,092 INFO L226 Difference]: Without dead ends: 739 [2022-11-03 02:45:13,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:13,095 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 2418 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:13,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 1463 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:45:13,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2022-11-03 02:45:13,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 249. [2022-11-03 02:45:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 244 states have (on average 1.4754098360655739) internal successors, (360), 244 states have internal predecessors, (360), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 366 transitions. [2022-11-03 02:45:13,150 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 366 transitions. Word has length 95 [2022-11-03 02:45:13,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:13,154 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 366 transitions. [2022-11-03 02:45:13,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:13,155 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 366 transitions. [2022-11-03 02:45:13,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:13,161 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:13,161 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:13,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:13,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:13,376 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:13,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:13,377 INFO L85 PathProgramCache]: Analyzing trace with hash 299496296, now seen corresponding path program 1 times [2022-11-03 02:45:13,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:13,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663733255] [2022-11-03 02:45:13,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:13,379 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:13,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:13,381 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:13,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 02:45:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:13,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:13,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:14,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:14,070 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:14,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663733255] [2022-11-03 02:45:14,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [663733255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:14,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:14,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:14,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296785706] [2022-11-03 02:45:14,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:14,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:14,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:14,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:14,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:14,075 INFO L87 Difference]: Start difference. First operand 249 states and 366 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:14,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:14,497 INFO L93 Difference]: Finished difference Result 990 states and 1463 transitions. [2022-11-03 02:45:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:14,498 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:14,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:14,501 INFO L225 Difference]: With dead ends: 990 [2022-11-03 02:45:14,501 INFO L226 Difference]: Without dead ends: 743 [2022-11-03 02:45:14,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:14,504 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 2416 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2416 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:14,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2416 Valid, 1458 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:45:14,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2022-11-03 02:45:14,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 253. [2022-11-03 02:45:14,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 248 states have (on average 1.471774193548387) internal successors, (365), 248 states have internal predecessors, (365), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:14,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 371 transitions. [2022-11-03 02:45:14,522 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 371 transitions. Word has length 95 [2022-11-03 02:45:14,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:14,523 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 371 transitions. [2022-11-03 02:45:14,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:14,524 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 371 transitions. [2022-11-03 02:45:14,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:14,525 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:14,525 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:14,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:14,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:14,741 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:14,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:14,741 INFO L85 PathProgramCache]: Analyzing trace with hash 245103398, now seen corresponding path program 1 times [2022-11-03 02:45:14,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:14,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393249478] [2022-11-03 02:45:14,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:14,745 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:14,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:14,747 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:14,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 02:45:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:15,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:15,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:15,468 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:15,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:15,469 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:15,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393249478] [2022-11-03 02:45:15,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393249478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:15,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:15,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:15,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012209854] [2022-11-03 02:45:15,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:15,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:15,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:15,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:15,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:15,476 INFO L87 Difference]: Start difference. First operand 253 states and 371 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:15,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:15,920 INFO L93 Difference]: Finished difference Result 996 states and 1469 transitions. [2022-11-03 02:45:15,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:15,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:15,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:15,923 INFO L225 Difference]: With dead ends: 996 [2022-11-03 02:45:15,924 INFO L226 Difference]: Without dead ends: 745 [2022-11-03 02:45:15,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:15,925 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 2417 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 1453 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:15,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 1453 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:45:15,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2022-11-03 02:45:15,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 255. [2022-11-03 02:45:15,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 250 states have (on average 1.468) internal successors, (367), 250 states have internal predecessors, (367), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:15,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 373 transitions. [2022-11-03 02:45:15,952 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 373 transitions. Word has length 95 [2022-11-03 02:45:15,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:15,953 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 373 transitions. [2022-11-03 02:45:15,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:15,953 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 373 transitions. [2022-11-03 02:45:15,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:15,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:15,957 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:15,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-11-03 02:45:16,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:16,172 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:16,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:16,172 INFO L85 PathProgramCache]: Analyzing trace with hash 924375652, now seen corresponding path program 1 times [2022-11-03 02:45:16,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:16,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937709947] [2022-11-03 02:45:16,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:16,174 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:16,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:16,175 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:16,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 02:45:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:16,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:16,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:16,790 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:16,790 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:16,790 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:16,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937709947] [2022-11-03 02:45:16,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937709947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:16,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:16,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:16,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903072825] [2022-11-03 02:45:16,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:16,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:16,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:16,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:16,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:16,793 INFO L87 Difference]: Start difference. First operand 255 states and 373 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:17,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:17,264 INFO L93 Difference]: Finished difference Result 1000 states and 1472 transitions. [2022-11-03 02:45:17,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:17,265 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:17,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:17,267 INFO L225 Difference]: With dead ends: 1000 [2022-11-03 02:45:17,267 INFO L226 Difference]: Without dead ends: 747 [2022-11-03 02:45:17,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:17,269 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 2405 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:17,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2405 Valid, 1458 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:45:17,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-11-03 02:45:17,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 257. [2022-11-03 02:45:17,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.4642857142857142) internal successors, (369), 252 states have internal predecessors, (369), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:17,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 375 transitions. [2022-11-03 02:45:17,285 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 375 transitions. Word has length 95 [2022-11-03 02:45:17,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:17,286 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 375 transitions. [2022-11-03 02:45:17,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 375 transitions. [2022-11-03 02:45:17,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:17,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:17,288 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:17,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:17,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:17,503 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:17,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:17,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1126199586, now seen corresponding path program 1 times [2022-11-03 02:45:17,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:17,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1945221129] [2022-11-03 02:45:17,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:17,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:17,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:17,506 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:17,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 02:45:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:17,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:17,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:18,134 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:18,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:18,135 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:18,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1945221129] [2022-11-03 02:45:18,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1945221129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:18,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:18,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:18,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232565027] [2022-11-03 02:45:18,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:18,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:18,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:18,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:18,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:18,138 INFO L87 Difference]: Start difference. First operand 257 states and 375 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:18,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:18,452 INFO L93 Difference]: Finished difference Result 1004 states and 1475 transitions. [2022-11-03 02:45:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:18,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:18,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:18,455 INFO L225 Difference]: With dead ends: 1004 [2022-11-03 02:45:18,455 INFO L226 Difference]: Without dead ends: 749 [2022-11-03 02:45:18,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:18,457 INFO L413 NwaCegarLoop]: 397 mSDtfsCounter, 2405 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:18,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2405 Valid, 1520 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:45:18,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2022-11-03 02:45:18,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 259. [2022-11-03 02:45:18,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 254 states have (on average 1.4606299212598426) internal successors, (371), 254 states have internal predecessors, (371), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:18,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 377 transitions. [2022-11-03 02:45:18,474 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 377 transitions. Word has length 95 [2022-11-03 02:45:18,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:18,475 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 377 transitions. [2022-11-03 02:45:18,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:18,475 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 377 transitions. [2022-11-03 02:45:18,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:18,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:18,477 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:18,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:18,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:18,706 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:18,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:18,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1559928672, now seen corresponding path program 1 times [2022-11-03 02:45:18,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:18,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1988617646] [2022-11-03 02:45:18,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:18,708 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:18,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:18,709 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:18,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 02:45:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:19,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:19,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:19,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:19,325 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:19,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1988617646] [2022-11-03 02:45:19,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1988617646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:19,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:19,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:19,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277578476] [2022-11-03 02:45:19,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:19,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:19,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:19,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:19,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:19,328 INFO L87 Difference]: Start difference. First operand 259 states and 377 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:19,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:19,757 INFO L93 Difference]: Finished difference Result 1008 states and 1478 transitions. [2022-11-03 02:45:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:19,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:19,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:19,760 INFO L225 Difference]: With dead ends: 1008 [2022-11-03 02:45:19,760 INFO L226 Difference]: Without dead ends: 751 [2022-11-03 02:45:19,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:19,762 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 2406 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 1451 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:19,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2406 Valid, 1451 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:45:19,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2022-11-03 02:45:19,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 261. [2022-11-03 02:45:19,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.45703125) internal successors, (373), 256 states have internal predecessors, (373), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:19,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 379 transitions. [2022-11-03 02:45:19,778 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 379 transitions. Word has length 95 [2022-11-03 02:45:19,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:19,779 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 379 transitions. [2022-11-03 02:45:19,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:19,779 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 379 transitions. [2022-11-03 02:45:19,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:19,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:19,781 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:19,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:19,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:19,996 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:19,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:19,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1600603422, now seen corresponding path program 1 times [2022-11-03 02:45:19,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:19,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956909845] [2022-11-03 02:45:19,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:19,998 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:19,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:19,999 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:20,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 02:45:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:20,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:20,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:20,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:20,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:20,624 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:20,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [956909845] [2022-11-03 02:45:20,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [956909845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:20,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:20,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:20,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241014790] [2022-11-03 02:45:20,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:20,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:20,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:20,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:20,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:20,626 INFO L87 Difference]: Start difference. First operand 261 states and 379 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:21,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:21,011 INFO L93 Difference]: Finished difference Result 1012 states and 1481 transitions. [2022-11-03 02:45:21,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:21,012 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:21,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:21,014 INFO L225 Difference]: With dead ends: 1012 [2022-11-03 02:45:21,014 INFO L226 Difference]: Without dead ends: 753 [2022-11-03 02:45:21,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:21,016 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 2400 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:21,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2400 Valid, 1455 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:45:21,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2022-11-03 02:45:21,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 263. [2022-11-03 02:45:21,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 258 states have (on average 1.4534883720930232) internal successors, (375), 258 states have internal predecessors, (375), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:21,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 381 transitions. [2022-11-03 02:45:21,038 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 381 transitions. Word has length 95 [2022-11-03 02:45:21,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:21,039 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 381 transitions. [2022-11-03 02:45:21,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 381 transitions. [2022-11-03 02:45:21,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:21,040 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:21,040 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:21,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-11-03 02:45:21,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:21,256 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:21,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:21,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1818344868, now seen corresponding path program 1 times [2022-11-03 02:45:21,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:21,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066214773] [2022-11-03 02:45:21,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:21,258 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:21,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:21,259 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:21,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-03 02:45:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:21,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:21,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:21,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:21,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:21,855 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:21,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066214773] [2022-11-03 02:45:21,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2066214773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:21,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:21,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:21,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708276761] [2022-11-03 02:45:21,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:21,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:21,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:21,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:21,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:21,857 INFO L87 Difference]: Start difference. First operand 263 states and 381 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:22,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:22,142 INFO L93 Difference]: Finished difference Result 1016 states and 1484 transitions. [2022-11-03 02:45:22,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:22,143 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:22,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:22,146 INFO L225 Difference]: With dead ends: 1016 [2022-11-03 02:45:22,146 INFO L226 Difference]: Without dead ends: 755 [2022-11-03 02:45:22,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:22,149 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 2387 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2387 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:22,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2387 Valid, 1530 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:45:22,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2022-11-03 02:45:22,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 265. [2022-11-03 02:45:22,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 260 states have (on average 1.45) internal successors, (377), 260 states have internal predecessors, (377), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:22,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 383 transitions. [2022-11-03 02:45:22,179 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 383 transitions. Word has length 95 [2022-11-03 02:45:22,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:22,179 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 383 transitions. [2022-11-03 02:45:22,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:22,179 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 383 transitions. [2022-11-03 02:45:22,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:22,180 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:22,181 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:22,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:22,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:22,395 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:22,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:22,395 INFO L85 PathProgramCache]: Analyzing trace with hash -280004838, now seen corresponding path program 1 times [2022-11-03 02:45:22,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:22,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141586997] [2022-11-03 02:45:22,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:22,396 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:22,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:22,397 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:22,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-03 02:45:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:22,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:22,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:22,990 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:22,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:22,990 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:22,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141586997] [2022-11-03 02:45:22,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2141586997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:22,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:22,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:22,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951785446] [2022-11-03 02:45:22,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:22,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:22,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:22,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:22,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:22,993 INFO L87 Difference]: Start difference. First operand 265 states and 383 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:23,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:23,391 INFO L93 Difference]: Finished difference Result 1020 states and 1487 transitions. [2022-11-03 02:45:23,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:23,392 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:23,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:23,394 INFO L225 Difference]: With dead ends: 1020 [2022-11-03 02:45:23,394 INFO L226 Difference]: Without dead ends: 757 [2022-11-03 02:45:23,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:23,396 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 2370 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2370 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:23,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2370 Valid, 1478 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:45:23,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2022-11-03 02:45:23,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 267. [2022-11-03 02:45:23,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 262 states have (on average 1.4465648854961832) internal successors, (379), 262 states have internal predecessors, (379), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:23,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 385 transitions. [2022-11-03 02:45:23,425 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 385 transitions. Word has length 95 [2022-11-03 02:45:23,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:23,425 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 385 transitions. [2022-11-03 02:45:23,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 385 transitions. [2022-11-03 02:45:23,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:23,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:23,427 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:23,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:23,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:23,641 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:23,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:23,642 INFO L85 PathProgramCache]: Analyzing trace with hash -761085096, now seen corresponding path program 1 times [2022-11-03 02:45:23,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:23,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756660371] [2022-11-03 02:45:23,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:23,643 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:23,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:23,644 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:23,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-03 02:45:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:24,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:24,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:24,287 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:24,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:24,287 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:24,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756660371] [2022-11-03 02:45:24,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [756660371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:24,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:24,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:24,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629539625] [2022-11-03 02:45:24,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:24,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:24,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:24,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:24,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:24,290 INFO L87 Difference]: Start difference. First operand 267 states and 385 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:24,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:24,685 INFO L93 Difference]: Finished difference Result 1026 states and 1493 transitions. [2022-11-03 02:45:24,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:24,686 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:24,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:24,689 INFO L225 Difference]: With dead ends: 1026 [2022-11-03 02:45:24,689 INFO L226 Difference]: Without dead ends: 761 [2022-11-03 02:45:24,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:24,690 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 2369 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2369 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:24,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2369 Valid, 1477 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:45:24,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2022-11-03 02:45:24,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 271. [2022-11-03 02:45:24,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 266 states have (on average 1.443609022556391) internal successors, (384), 266 states have internal predecessors, (384), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:24,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 390 transitions. [2022-11-03 02:45:24,716 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 390 transitions. Word has length 95 [2022-11-03 02:45:24,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:24,716 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 390 transitions. [2022-11-03 02:45:24,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:24,717 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 390 transitions. [2022-11-03 02:45:24,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:24,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:24,718 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:24,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:24,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:24,929 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:24,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:24,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1167187606, now seen corresponding path program 1 times [2022-11-03 02:45:24,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:24,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671029235] [2022-11-03 02:45:24,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:24,930 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:24,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:24,931 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:24,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-03 02:45:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:25,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:25,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:25,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:25,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:25,507 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:25,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [671029235] [2022-11-03 02:45:25,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [671029235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:25,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:25,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:25,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322525069] [2022-11-03 02:45:25,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:25,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:25,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:25,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:25,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:25,510 INFO L87 Difference]: Start difference. First operand 271 states and 390 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:25,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:25,942 INFO L93 Difference]: Finished difference Result 1032 states and 1499 transitions. [2022-11-03 02:45:25,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:25,942 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:25,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:25,945 INFO L225 Difference]: With dead ends: 1032 [2022-11-03 02:45:25,945 INFO L226 Difference]: Without dead ends: 763 [2022-11-03 02:45:25,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:25,946 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 2362 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2362 SdHoareTripleChecker+Valid, 1476 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:25,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2362 Valid, 1476 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:45:25,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2022-11-03 02:45:25,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 273. [2022-11-03 02:45:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.4402985074626866) internal successors, (386), 268 states have internal predecessors, (386), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 392 transitions. [2022-11-03 02:45:25,969 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 392 transitions. Word has length 95 [2022-11-03 02:45:25,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:25,969 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 392 transitions. [2022-11-03 02:45:25,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:25,970 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 392 transitions. [2022-11-03 02:45:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:25,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:25,971 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:25,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:26,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:26,199 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:26,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:26,199 INFO L85 PathProgramCache]: Analyzing trace with hash -882200236, now seen corresponding path program 1 times [2022-11-03 02:45:26,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:26,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956010086] [2022-11-03 02:45:26,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:26,201 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:26,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:26,202 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:26,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-03 02:45:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:26,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:26,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:26,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:26,855 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:26,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [956010086] [2022-11-03 02:45:26,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [956010086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:26,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:26,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:26,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787370769] [2022-11-03 02:45:26,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:26,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:26,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:26,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:26,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:26,857 INFO L87 Difference]: Start difference. First operand 273 states and 392 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:27,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:27,257 INFO L93 Difference]: Finished difference Result 1036 states and 1502 transitions. [2022-11-03 02:45:27,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:27,258 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:27,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:27,261 INFO L225 Difference]: With dead ends: 1036 [2022-11-03 02:45:27,261 INFO L226 Difference]: Without dead ends: 765 [2022-11-03 02:45:27,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:27,262 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 2355 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 1484 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:27,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2355 Valid, 1484 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:45:27,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2022-11-03 02:45:27,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 275. [2022-11-03 02:45:27,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 270 states have (on average 1.4370370370370371) internal successors, (388), 270 states have internal predecessors, (388), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:27,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 394 transitions. [2022-11-03 02:45:27,287 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 394 transitions. Word has length 95 [2022-11-03 02:45:27,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:27,288 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 394 transitions. [2022-11-03 02:45:27,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:27,289 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 394 transitions. [2022-11-03 02:45:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:27,290 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:27,291 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:27,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:27,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:27,510 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:27,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:27,510 INFO L85 PathProgramCache]: Analyzing trace with hash -634053742, now seen corresponding path program 1 times [2022-11-03 02:45:27,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:27,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017759041] [2022-11-03 02:45:27,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:27,511 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:27,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:27,512 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:27,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-03 02:45:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:27,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:27,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:28,098 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:28,098 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:28,098 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:28,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017759041] [2022-11-03 02:45:28,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017759041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:28,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:28,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:28,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888612463] [2022-11-03 02:45:28,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:28,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:28,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:28,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:28,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:28,101 INFO L87 Difference]: Start difference. First operand 275 states and 394 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:28,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:28,483 INFO L93 Difference]: Finished difference Result 1040 states and 1505 transitions. [2022-11-03 02:45:28,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:28,487 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:28,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:28,490 INFO L225 Difference]: With dead ends: 1040 [2022-11-03 02:45:28,490 INFO L226 Difference]: Without dead ends: 767 [2022-11-03 02:45:28,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:28,491 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 2347 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:28,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 1506 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:45:28,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2022-11-03 02:45:28,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 277. [2022-11-03 02:45:28,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 272 states have (on average 1.4338235294117647) internal successors, (390), 272 states have internal predecessors, (390), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 396 transitions. [2022-11-03 02:45:28,510 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 396 transitions. Word has length 95 [2022-11-03 02:45:28,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:28,510 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 396 transitions. [2022-11-03 02:45:28,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 396 transitions. [2022-11-03 02:45:28,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:28,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:28,512 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:28,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:28,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:28,725 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:28,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:28,725 INFO L85 PathProgramCache]: Analyzing trace with hash -2005861040, now seen corresponding path program 1 times [2022-11-03 02:45:28,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:28,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337269166] [2022-11-03 02:45:28,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:28,726 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:28,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:28,728 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:28,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-03 02:45:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:29,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:29,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:29,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:29,307 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:29,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337269166] [2022-11-03 02:45:29,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337269166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:29,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:29,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:29,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410446761] [2022-11-03 02:45:29,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:29,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:29,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:29,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:29,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:29,309 INFO L87 Difference]: Start difference. First operand 277 states and 396 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:29,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:29,687 INFO L93 Difference]: Finished difference Result 1044 states and 1508 transitions. [2022-11-03 02:45:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:29,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:29,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:29,691 INFO L225 Difference]: With dead ends: 1044 [2022-11-03 02:45:29,691 INFO L226 Difference]: Without dead ends: 769 [2022-11-03 02:45:29,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:29,693 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 2344 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2344 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:29,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2344 Valid, 1490 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:45:29,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2022-11-03 02:45:29,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 279. [2022-11-03 02:45:29,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 274 states have (on average 1.4306569343065694) internal successors, (392), 274 states have internal predecessors, (392), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:29,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 398 transitions. [2022-11-03 02:45:29,712 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 398 transitions. Word has length 95 [2022-11-03 02:45:29,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:29,713 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 398 transitions. [2022-11-03 02:45:29,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:29,713 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 398 transitions. [2022-11-03 02:45:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:29,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:29,714 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:29,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-11-03 02:45:29,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:29,928 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:29,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:29,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1259746958, now seen corresponding path program 1 times [2022-11-03 02:45:29,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:29,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742186732] [2022-11-03 02:45:29,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:29,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:29,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:29,930 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:29,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-03 02:45:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:30,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:30,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:30,484 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:30,484 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:30,484 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:30,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742186732] [2022-11-03 02:45:30,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742186732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:30,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:30,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:30,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077046601] [2022-11-03 02:45:30,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:30,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:30,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:30,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:30,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:30,486 INFO L87 Difference]: Start difference. First operand 279 states and 398 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:30,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:30,764 INFO L93 Difference]: Finished difference Result 1048 states and 1511 transitions. [2022-11-03 02:45:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:30,764 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:30,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:30,767 INFO L225 Difference]: With dead ends: 1048 [2022-11-03 02:45:30,768 INFO L226 Difference]: Without dead ends: 771 [2022-11-03 02:45:30,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:30,769 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 2346 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2346 SdHoareTripleChecker+Valid, 1541 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:30,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2346 Valid, 1541 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:45:30,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2022-11-03 02:45:30,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 281. [2022-11-03 02:45:30,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 276 states have (on average 1.4275362318840579) internal successors, (394), 276 states have internal predecessors, (394), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:30,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 400 transitions. [2022-11-03 02:45:30,790 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 400 transitions. Word has length 95 [2022-11-03 02:45:30,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:30,791 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 400 transitions. [2022-11-03 02:45:30,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:30,791 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 400 transitions. [2022-11-03 02:45:30,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:30,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:30,792 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:30,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:31,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:31,006 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:31,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:31,007 INFO L85 PathProgramCache]: Analyzing trace with hash 865380172, now seen corresponding path program 1 times [2022-11-03 02:45:31,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:31,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [657814978] [2022-11-03 02:45:31,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:31,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:31,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:31,009 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:31,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-03 02:45:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:31,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:31,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:31,626 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:31,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:31,626 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:31,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [657814978] [2022-11-03 02:45:31,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [657814978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:31,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:31,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:31,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619550842] [2022-11-03 02:45:31,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:31,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:31,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:31,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:31,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:31,629 INFO L87 Difference]: Start difference. First operand 281 states and 400 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:31,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:31,929 INFO L93 Difference]: Finished difference Result 1054 states and 1517 transitions. [2022-11-03 02:45:31,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:31,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:31,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:31,934 INFO L225 Difference]: With dead ends: 1054 [2022-11-03 02:45:31,934 INFO L226 Difference]: Without dead ends: 775 [2022-11-03 02:45:31,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:31,936 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 2332 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2332 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:31,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2332 Valid, 1519 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:45:31,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2022-11-03 02:45:31,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 285. [2022-11-03 02:45:31,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 280 states have (on average 1.425) internal successors, (399), 280 states have internal predecessors, (399), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:31,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 405 transitions. [2022-11-03 02:45:31,958 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 405 transitions. Word has length 95 [2022-11-03 02:45:31,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:31,958 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 405 transitions. [2022-11-03 02:45:31,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:31,959 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 405 transitions. [2022-11-03 02:45:31,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:31,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:31,960 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:31,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:32,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:32,174 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:32,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:32,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1140139786, now seen corresponding path program 1 times [2022-11-03 02:45:32,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:32,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285805980] [2022-11-03 02:45:32,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:32,175 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:32,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:32,176 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:32,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-03 02:45:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:32,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:32,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:32,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:32,780 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:32,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285805980] [2022-11-03 02:45:32,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [285805980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:32,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:32,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:32,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801908194] [2022-11-03 02:45:32,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:32,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:32,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:32,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:32,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:32,783 INFO L87 Difference]: Start difference. First operand 285 states and 405 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:33,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:33,050 INFO L93 Difference]: Finished difference Result 1060 states and 1523 transitions. [2022-11-03 02:45:33,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:33,051 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:33,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:33,054 INFO L225 Difference]: With dead ends: 1060 [2022-11-03 02:45:33,055 INFO L226 Difference]: Without dead ends: 777 [2022-11-03 02:45:33,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:33,056 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 2322 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 1568 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:33,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2322 Valid, 1568 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:45:33,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2022-11-03 02:45:33,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 287. [2022-11-03 02:45:33,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 282 states have (on average 1.4219858156028369) internal successors, (401), 282 states have internal predecessors, (401), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:33,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 407 transitions. [2022-11-03 02:45:33,079 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 407 transitions. Word has length 95 [2022-11-03 02:45:33,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:33,079 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 407 transitions. [2022-11-03 02:45:33,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:33,080 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 407 transitions. [2022-11-03 02:45:33,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:33,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:33,081 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:33,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (19)] Ended with exit code 0 [2022-11-03 02:45:33,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:33,296 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:33,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:33,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1162772040, now seen corresponding path program 1 times [2022-11-03 02:45:33,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:33,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804924757] [2022-11-03 02:45:33,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:33,297 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:33,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:33,298 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:33,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-03 02:45:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:33,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:33,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:33,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:33,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:33,902 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:33,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804924757] [2022-11-03 02:45:33,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804924757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:33,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:33,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:33,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841017606] [2022-11-03 02:45:33,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:33,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:33,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:33,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:33,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:33,907 INFO L87 Difference]: Start difference. First operand 287 states and 407 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:34,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:34,193 INFO L93 Difference]: Finished difference Result 1064 states and 1526 transitions. [2022-11-03 02:45:34,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:34,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:34,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:34,197 INFO L225 Difference]: With dead ends: 1064 [2022-11-03 02:45:34,197 INFO L226 Difference]: Without dead ends: 779 [2022-11-03 02:45:34,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:34,199 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 2322 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:34,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2322 Valid, 1572 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:45:34,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2022-11-03 02:45:34,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 289. [2022-11-03 02:45:34,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 284 states have (on average 1.4190140845070423) internal successors, (403), 284 states have internal predecessors, (403), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:34,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 409 transitions. [2022-11-03 02:45:34,225 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 409 transitions. Word has length 95 [2022-11-03 02:45:34,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:34,226 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 409 transitions. [2022-11-03 02:45:34,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:34,226 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 409 transitions. [2022-11-03 02:45:34,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:34,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:34,227 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:34,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:34,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:34,441 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:34,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:34,441 INFO L85 PathProgramCache]: Analyzing trace with hash 653298950, now seen corresponding path program 1 times [2022-11-03 02:45:34,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:34,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1166166542] [2022-11-03 02:45:34,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:34,442 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:34,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:34,443 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:34,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-03 02:45:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:34,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:34,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:35,055 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:35,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:35,056 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:35,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1166166542] [2022-11-03 02:45:35,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1166166542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:35,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:35,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:35,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836844539] [2022-11-03 02:45:35,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:35,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:35,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:35,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:35,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:35,061 INFO L87 Difference]: Start difference. First operand 289 states and 409 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:35,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:35,375 INFO L93 Difference]: Finished difference Result 1068 states and 1529 transitions. [2022-11-03 02:45:35,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:35,376 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:35,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:35,378 INFO L225 Difference]: With dead ends: 1068 [2022-11-03 02:45:35,378 INFO L226 Difference]: Without dead ends: 781 [2022-11-03 02:45:35,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:35,379 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 2307 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2307 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:35,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2307 Valid, 1546 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:45:35,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2022-11-03 02:45:35,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 291. [2022-11-03 02:45:35,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 286 states have (on average 1.416083916083916) internal successors, (405), 286 states have internal predecessors, (405), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:35,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 411 transitions. [2022-11-03 02:45:35,401 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 411 transitions. Word has length 95 [2022-11-03 02:45:35,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:35,402 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 411 transitions. [2022-11-03 02:45:35,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:35,402 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 411 transitions. [2022-11-03 02:45:35,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:35,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:35,403 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:35,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:35,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:35,617 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:35,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:35,618 INFO L85 PathProgramCache]: Analyzing trace with hash 715338564, now seen corresponding path program 1 times [2022-11-03 02:45:35,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:35,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743280117] [2022-11-03 02:45:35,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:35,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:35,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:35,619 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:35,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-03 02:45:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:36,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:36,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:36,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:36,199 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:36,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743280117] [2022-11-03 02:45:36,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743280117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:36,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:36,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:36,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351132785] [2022-11-03 02:45:36,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:36,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:36,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:36,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:36,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:36,201 INFO L87 Difference]: Start difference. First operand 291 states and 411 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:36,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:36,486 INFO L93 Difference]: Finished difference Result 1072 states and 1532 transitions. [2022-11-03 02:45:36,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:36,487 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:36,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:36,489 INFO L225 Difference]: With dead ends: 1072 [2022-11-03 02:45:36,490 INFO L226 Difference]: Without dead ends: 783 [2022-11-03 02:45:36,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:36,491 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 2319 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2319 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:36,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2319 Valid, 1558 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:45:36,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2022-11-03 02:45:36,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 293. [2022-11-03 02:45:36,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 288 states have (on average 1.4131944444444444) internal successors, (407), 288 states have internal predecessors, (407), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 413 transitions. [2022-11-03 02:45:36,514 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 413 transitions. Word has length 95 [2022-11-03 02:45:36,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:36,515 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 413 transitions. [2022-11-03 02:45:36,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:36,515 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 413 transitions. [2022-11-03 02:45:36,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:36,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:36,516 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:36,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:36,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:36,730 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:36,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:36,730 INFO L85 PathProgramCache]: Analyzing trace with hash 581325058, now seen corresponding path program 1 times [2022-11-03 02:45:36,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:36,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875956589] [2022-11-03 02:45:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:36,731 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:36,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:36,732 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:36,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-11-03 02:45:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:37,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:37,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:37,326 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:37,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:37,326 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:37,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875956589] [2022-11-03 02:45:37,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [875956589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:37,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:37,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:37,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023165414] [2022-11-03 02:45:37,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:37,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:37,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:37,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:37,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:37,328 INFO L87 Difference]: Start difference. First operand 293 states and 413 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:37,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:37,702 INFO L93 Difference]: Finished difference Result 1076 states and 1535 transitions. [2022-11-03 02:45:37,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:37,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:37,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:37,708 INFO L225 Difference]: With dead ends: 1076 [2022-11-03 02:45:37,708 INFO L226 Difference]: Without dead ends: 785 [2022-11-03 02:45:37,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:37,709 INFO L413 NwaCegarLoop]: 460 mSDtfsCounter, 2291 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2291 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:37,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2291 Valid, 1571 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:45:37,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2022-11-03 02:45:37,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 295. [2022-11-03 02:45:37,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 290 states have (on average 1.410344827586207) internal successors, (409), 290 states have internal predecessors, (409), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:37,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 415 transitions. [2022-11-03 02:45:37,735 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 415 transitions. Word has length 95 [2022-11-03 02:45:37,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:37,736 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 415 transitions. [2022-11-03 02:45:37,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:37,736 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 415 transitions. [2022-11-03 02:45:37,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:37,737 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:37,737 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:37,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:37,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:37,951 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:37,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:37,952 INFO L85 PathProgramCache]: Analyzing trace with hash 800179776, now seen corresponding path program 1 times [2022-11-03 02:45:37,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:37,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397425144] [2022-11-03 02:45:37,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:37,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:37,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:37,953 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:37,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-11-03 02:45:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:38,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:38,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:38,575 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:38,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:38,576 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:38,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397425144] [2022-11-03 02:45:38,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397425144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:38,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:38,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:38,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35750266] [2022-11-03 02:45:38,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:38,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:38,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:38,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:38,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:38,578 INFO L87 Difference]: Start difference. First operand 295 states and 415 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:38,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:38,959 INFO L93 Difference]: Finished difference Result 1080 states and 1538 transitions. [2022-11-03 02:45:38,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:38,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:38,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:38,962 INFO L225 Difference]: With dead ends: 1080 [2022-11-03 02:45:38,962 INFO L226 Difference]: Without dead ends: 787 [2022-11-03 02:45:38,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:38,964 INFO L413 NwaCegarLoop]: 455 mSDtfsCounter, 2297 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 1578 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:38,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 1578 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:45:38,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2022-11-03 02:45:38,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 297. [2022-11-03 02:45:38,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 292 states have (on average 1.4075342465753424) internal successors, (411), 292 states have internal predecessors, (411), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:38,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 417 transitions. [2022-11-03 02:45:38,991 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 417 transitions. Word has length 95 [2022-11-03 02:45:38,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:38,992 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 417 transitions. [2022-11-03 02:45:38,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 417 transitions. [2022-11-03 02:45:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:38,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:38,993 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:39,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Ended with exit code 0 [2022-11-03 02:45:39,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:39,207 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:39,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:39,207 INFO L85 PathProgramCache]: Analyzing trace with hash -17468674, now seen corresponding path program 1 times [2022-11-03 02:45:39,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:39,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976130608] [2022-11-03 02:45:39,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:39,208 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:39,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:39,209 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:39,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-11-03 02:45:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:39,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:39,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:39,850 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:39,850 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:39,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976130608] [2022-11-03 02:45:39,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [976130608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:39,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:39,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:39,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983282429] [2022-11-03 02:45:39,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:39,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:39,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:39,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:39,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:39,853 INFO L87 Difference]: Start difference. First operand 297 states and 417 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:40,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:40,129 INFO L93 Difference]: Finished difference Result 1084 states and 1541 transitions. [2022-11-03 02:45:40,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:40,129 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:40,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:40,132 INFO L225 Difference]: With dead ends: 1084 [2022-11-03 02:45:40,132 INFO L226 Difference]: Without dead ends: 789 [2022-11-03 02:45:40,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:40,134 INFO L413 NwaCegarLoop]: 452 mSDtfsCounter, 2295 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2295 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:40,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2295 Valid, 1561 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:45:40,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2022-11-03 02:45:40,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 299. [2022-11-03 02:45:40,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 294 states have (on average 1.4047619047619047) internal successors, (413), 294 states have internal predecessors, (413), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:40,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 419 transitions. [2022-11-03 02:45:40,169 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 419 transitions. Word has length 95 [2022-11-03 02:45:40,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:40,171 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 419 transitions. [2022-11-03 02:45:40,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:40,172 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 419 transitions. [2022-11-03 02:45:40,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:40,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:40,173 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:40,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:40,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:40,386 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:40,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:40,387 INFO L85 PathProgramCache]: Analyzing trace with hash -2011613380, now seen corresponding path program 1 times [2022-11-03 02:45:40,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:40,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76875973] [2022-11-03 02:45:40,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:40,388 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:40,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:40,389 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:40,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-03 02:45:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:40,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:40,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:41,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:41,019 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:41,019 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:41,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76875973] [2022-11-03 02:45:41,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [76875973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:41,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:41,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:41,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149120966] [2022-11-03 02:45:41,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:41,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:41,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:41,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:41,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:41,022 INFO L87 Difference]: Start difference. First operand 299 states and 419 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:41,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:41,302 INFO L93 Difference]: Finished difference Result 1090 states and 1547 transitions. [2022-11-03 02:45:41,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:41,303 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:41,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:41,305 INFO L225 Difference]: With dead ends: 1090 [2022-11-03 02:45:41,305 INFO L226 Difference]: Without dead ends: 793 [2022-11-03 02:45:41,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:41,307 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 2287 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 1579 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:41,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2287 Valid, 1579 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:45:41,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2022-11-03 02:45:41,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 303. [2022-11-03 02:45:41,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 298 states have (on average 1.4026845637583893) internal successors, (418), 298 states have internal predecessors, (418), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:41,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 424 transitions. [2022-11-03 02:45:41,330 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 424 transitions. Word has length 95 [2022-11-03 02:45:41,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:41,331 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 424 transitions. [2022-11-03 02:45:41,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:41,331 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 424 transitions. [2022-11-03 02:45:41,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:41,332 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:41,332 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:41,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:41,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:41,546 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:41,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:41,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1272236666, now seen corresponding path program 1 times [2022-11-03 02:45:41,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:41,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1292713854] [2022-11-03 02:45:41,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:41,547 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:41,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:41,548 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:41,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-11-03 02:45:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:41,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:41,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:42,123 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:42,123 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:42,123 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:42,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1292713854] [2022-11-03 02:45:42,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1292713854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:42,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:42,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:42,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596372946] [2022-11-03 02:45:42,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:42,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:42,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:42,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:42,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:42,126 INFO L87 Difference]: Start difference. First operand 303 states and 424 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:42,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:42,397 INFO L93 Difference]: Finished difference Result 1096 states and 1553 transitions. [2022-11-03 02:45:42,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:42,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:42,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:42,401 INFO L225 Difference]: With dead ends: 1096 [2022-11-03 02:45:42,401 INFO L226 Difference]: Without dead ends: 795 [2022-11-03 02:45:42,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:42,402 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 2284 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2284 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:42,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2284 Valid, 1585 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:45:42,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2022-11-03 02:45:42,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 305. [2022-11-03 02:45:42,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 300 states have (on average 1.4) internal successors, (420), 300 states have internal predecessors, (420), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:42,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 426 transitions. [2022-11-03 02:45:42,429 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 426 transitions. Word has length 95 [2022-11-03 02:45:42,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:42,429 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 426 transitions. [2022-11-03 02:45:42,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:42,429 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 426 transitions. [2022-11-03 02:45:42,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:42,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:42,430 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:42,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:42,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:42,644 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:42,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:42,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1530402104, now seen corresponding path program 1 times [2022-11-03 02:45:42,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:42,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [944530540] [2022-11-03 02:45:42,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:42,645 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:42,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:42,646 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:42,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-11-03 02:45:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:43,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:43,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:43,248 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:43,249 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:43,249 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:43,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [944530540] [2022-11-03 02:45:43,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [944530540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:43,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:43,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:43,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646629490] [2022-11-03 02:45:43,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:43,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:43,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:43,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:43,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:43,251 INFO L87 Difference]: Start difference. First operand 305 states and 426 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:43,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:43,547 INFO L93 Difference]: Finished difference Result 1100 states and 1556 transitions. [2022-11-03 02:45:43,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:43,548 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:43,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:43,551 INFO L225 Difference]: With dead ends: 1100 [2022-11-03 02:45:43,551 INFO L226 Difference]: Without dead ends: 797 [2022-11-03 02:45:43,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:43,552 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 2267 mSDsluCounter, 1113 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2267 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:43,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2267 Valid, 1587 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:45:43,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2022-11-03 02:45:43,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 307. [2022-11-03 02:45:43,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 302 states have (on average 1.3973509933774835) internal successors, (422), 302 states have internal predecessors, (422), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:43,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 428 transitions. [2022-11-03 02:45:43,595 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 428 transitions. Word has length 95 [2022-11-03 02:45:43,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:43,596 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 428 transitions. [2022-11-03 02:45:43,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:43,596 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 428 transitions. [2022-11-03 02:45:43,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:43,597 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:43,597 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:43,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2022-11-03 02:45:43,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:43,811 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:43,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:43,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1137375094, now seen corresponding path program 1 times [2022-11-03 02:45:43,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:43,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200674700] [2022-11-03 02:45:43,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:43,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:43,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:43,815 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:43,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-11-03 02:45:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:44,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:45:44,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:44,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:44,447 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:44,448 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:44,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200674700] [2022-11-03 02:45:44,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200674700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:44,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:44,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:44,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472946486] [2022-11-03 02:45:44,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:44,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:44,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:44,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:44,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:44,450 INFO L87 Difference]: Start difference. First operand 307 states and 428 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:44,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:44,996 INFO L93 Difference]: Finished difference Result 1104 states and 1559 transitions. [2022-11-03 02:45:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:44,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:44,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:45,001 INFO L225 Difference]: With dead ends: 1104 [2022-11-03 02:45:45,001 INFO L226 Difference]: Without dead ends: 799 [2022-11-03 02:45:45,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:45,002 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 2263 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2263 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:45,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2263 Valid, 1400 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:45:45,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2022-11-03 02:45:45,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 309. [2022-11-03 02:45:45,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 304 states have (on average 1.394736842105263) internal successors, (424), 304 states have internal predecessors, (424), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:45,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 430 transitions. [2022-11-03 02:45:45,029 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 430 transitions. Word has length 95 [2022-11-03 02:45:45,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:45,030 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 430 transitions. [2022-11-03 02:45:45,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 430 transitions. [2022-11-03 02:45:45,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:45,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:45,031 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:45,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:45,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:45,245 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:45,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:45,245 INFO L85 PathProgramCache]: Analyzing trace with hash 328028468, now seen corresponding path program 1 times [2022-11-03 02:45:45,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:45,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557573015] [2022-11-03 02:45:45,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:45,246 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:45,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:45,247 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:45,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-11-03 02:45:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:45,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 02:45:45,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:45,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:45,900 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:45,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557573015] [2022-11-03 02:45:45,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557573015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:45,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:45,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:45,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131247036] [2022-11-03 02:45:45,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:45,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:45,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:45,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:45,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:45,903 INFO L87 Difference]: Start difference. First operand 309 states and 430 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:46,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:46,470 INFO L93 Difference]: Finished difference Result 1108 states and 1562 transitions. [2022-11-03 02:45:46,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:46,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:46,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:46,475 INFO L225 Difference]: With dead ends: 1108 [2022-11-03 02:45:46,475 INFO L226 Difference]: Without dead ends: 801 [2022-11-03 02:45:46,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:45:46,476 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 2248 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2248 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:46,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2248 Valid, 1428 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:45:46,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2022-11-03 02:45:46,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 311. [2022-11-03 02:45:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 306 states have (on average 1.392156862745098) internal successors, (426), 306 states have internal predecessors, (426), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 432 transitions. [2022-11-03 02:45:46,504 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 432 transitions. Word has length 95 [2022-11-03 02:45:46,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:46,504 INFO L495 AbstractCegarLoop]: Abstraction has 311 states and 432 transitions. [2022-11-03 02:45:46,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 432 transitions. [2022-11-03 02:45:46,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:46,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:46,506 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:46,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:46,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:46,720 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:46,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:46,720 INFO L85 PathProgramCache]: Analyzing trace with hash 385286770, now seen corresponding path program 1 times [2022-11-03 02:45:46,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:46,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195320629] [2022-11-03 02:45:46,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:46,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:46,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:46,722 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:46,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-11-03 02:45:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:47,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 02:45:47,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:47,489 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:47,489 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:47,489 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:47,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1195320629] [2022-11-03 02:45:47,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1195320629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:47,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:47,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 02:45:47,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901631717] [2022-11-03 02:45:47,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:47,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:45:47,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:47,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:45:47,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:45:47,491 INFO L87 Difference]: Start difference. First operand 311 states and 432 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:48,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:48,047 INFO L93 Difference]: Finished difference Result 893 states and 1217 transitions. [2022-11-03 02:45:48,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:45:48,048 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:48,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:48,051 INFO L225 Difference]: With dead ends: 893 [2022-11-03 02:45:48,052 INFO L226 Difference]: Without dead ends: 891 [2022-11-03 02:45:48,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:45:48,053 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 2124 mSDsluCounter, 1176 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2124 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:48,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2124 Valid, 1604 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:45:48,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2022-11-03 02:45:48,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 447. [2022-11-03 02:45:48,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 442 states have (on average 1.3597285067873304) internal successors, (601), 442 states have internal predecessors, (601), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:45:48,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 607 transitions. [2022-11-03 02:45:48,085 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 607 transitions. Word has length 95 [2022-11-03 02:45:48,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:48,085 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 607 transitions. [2022-11-03 02:45:48,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:48,086 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 607 transitions. [2022-11-03 02:45:48,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:45:48,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:48,087 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:48,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2022-11-03 02:45:48,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:48,301 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:48,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:48,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1272509616, now seen corresponding path program 1 times [2022-11-03 02:45:48,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:48,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017699920] [2022-11-03 02:45:48,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:48,302 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:48,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:48,303 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:48,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-11-03 02:45:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:48,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 02:45:48,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:48,781 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:45:48,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:48,781 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:48,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017699920] [2022-11-03 02:45:48,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017699920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:48,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:48,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:45:48,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244119455] [2022-11-03 02:45:48,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:48,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:45:48,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:48,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:45:48,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:45:48,784 INFO L87 Difference]: Start difference. First operand 447 states and 607 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:48,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:48,889 INFO L93 Difference]: Finished difference Result 1202 states and 1647 transitions. [2022-11-03 02:45:48,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:45:48,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 02:45:48,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:48,892 INFO L225 Difference]: With dead ends: 1202 [2022-11-03 02:45:48,892 INFO L226 Difference]: Without dead ends: 757 [2022-11-03 02:45:48,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:45:48,894 INFO L413 NwaCegarLoop]: 373 mSDtfsCounter, 695 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:48,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 1103 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:45:48,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2022-11-03 02:45:48,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 455. [2022-11-03 02:45:48,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 447 states have (on average 1.3557046979865772) internal successors, (606), 447 states have internal predecessors, (606), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:45:48,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 618 transitions. [2022-11-03 02:45:48,943 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 618 transitions. Word has length 95 [2022-11-03 02:45:48,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:48,943 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 618 transitions. [2022-11-03 02:45:48,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:45:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 618 transitions. [2022-11-03 02:45:48,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:45:48,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:48,946 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:48,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:49,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:49,160 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:49,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:49,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1116451161, now seen corresponding path program 1 times [2022-11-03 02:45:49,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:49,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378327066] [2022-11-03 02:45:49,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:49,162 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:49,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:49,163 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:49,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-11-03 02:45:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:49,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:45:49,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 02:45:50,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:45:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 02:45:50,547 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:50,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378327066] [2022-11-03 02:45:50,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378327066] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:45:50,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [731248034] [2022-11-03 02:45:50,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:50,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:45:50,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:45:50,553 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:45:50,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2022-11-03 02:45:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:51,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:45:51,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:51,951 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:45:51,951 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:51,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [731248034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:51,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:45:51,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 02:45:51,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117946718] [2022-11-03 02:45:51,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:51,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:45:51,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:51,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:45:51,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:45:51,954 INFO L87 Difference]: Start difference. First operand 455 states and 618 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:45:52,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:52,294 INFO L93 Difference]: Finished difference Result 2047 states and 2764 transitions. [2022-11-03 02:45:52,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:52,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:45:52,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:52,299 INFO L225 Difference]: With dead ends: 2047 [2022-11-03 02:45:52,299 INFO L226 Difference]: Without dead ends: 1602 [2022-11-03 02:45:52,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:45:52,301 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 1649 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:52,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 1420 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:45:52,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2022-11-03 02:45:52,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 731. [2022-11-03 02:45:52,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 723 states have (on average 1.330567081604426) internal successors, (962), 723 states have internal predecessors, (962), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:45:52,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 974 transitions. [2022-11-03 02:45:52,359 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 974 transitions. Word has length 346 [2022-11-03 02:45:52,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:52,360 INFO L495 AbstractCegarLoop]: Abstraction has 731 states and 974 transitions. [2022-11-03 02:45:52,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:45:52,361 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 974 transitions. [2022-11-03 02:45:52,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:45:52,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:52,364 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:52,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:52,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Ended with exit code 0 [2022-11-03 02:45:52,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:52,773 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:52,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:52,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1176404393, now seen corresponding path program 1 times [2022-11-03 02:45:52,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:52,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974116599] [2022-11-03 02:45:52,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:52,775 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:52,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:52,776 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:52,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2022-11-03 02:45:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:53,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:45:53,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:54,205 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:45:54,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:54,206 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:54,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974116599] [2022-11-03 02:45:54,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974116599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:54,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:54,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:54,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242063103] [2022-11-03 02:45:54,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:54,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:54,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:54,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:54,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:54,209 INFO L87 Difference]: Start difference. First operand 731 states and 974 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:45:54,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:54,748 INFO L93 Difference]: Finished difference Result 3144 states and 4180 transitions. [2022-11-03 02:45:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:54,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:45:54,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:54,760 INFO L225 Difference]: With dead ends: 3144 [2022-11-03 02:45:54,762 INFO L226 Difference]: Without dead ends: 2423 [2022-11-03 02:45:54,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:45:54,764 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 943 mSDsluCounter, 2060 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 2614 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 68 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:54,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 2614 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 216 Invalid, 0 Unknown, 68 Unchecked, 0.4s Time] [2022-11-03 02:45:54,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2022-11-03 02:45:54,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 1019. [2022-11-03 02:45:54,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 1011 states have (on average 1.3194856577645895) internal successors, (1334), 1011 states have internal predecessors, (1334), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:45:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1346 transitions. [2022-11-03 02:45:54,835 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1346 transitions. Word has length 346 [2022-11-03 02:45:54,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:54,836 INFO L495 AbstractCegarLoop]: Abstraction has 1019 states and 1346 transitions. [2022-11-03 02:45:54,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:45:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1346 transitions. [2022-11-03 02:45:54,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:45:54,839 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:54,839 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:54,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:55,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:55,061 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:55,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:55,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1444973017, now seen corresponding path program 1 times [2022-11-03 02:45:55,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:55,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106375073] [2022-11-03 02:45:55,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:55,064 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:55,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:55,066 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:55,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-11-03 02:45:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:55,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:45:55,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:56,543 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:45:56,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:56,543 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:56,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106375073] [2022-11-03 02:45:56,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [106375073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:56,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:56,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:56,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61757984] [2022-11-03 02:45:56,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:56,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:56,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:56,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:56,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:56,546 INFO L87 Difference]: Start difference. First operand 1019 states and 1346 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:45:57,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:57,056 INFO L93 Difference]: Finished difference Result 3140 states and 4173 transitions. [2022-11-03 02:45:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:57,057 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:45:57,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:57,063 INFO L225 Difference]: With dead ends: 3140 [2022-11-03 02:45:57,063 INFO L226 Difference]: Without dead ends: 2419 [2022-11-03 02:45:57,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:45:57,065 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 1040 mSDsluCounter, 1828 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 2265 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 68 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:57,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 2265 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 209 Invalid, 0 Unknown, 68 Unchecked, 0.4s Time] [2022-11-03 02:45:57,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2419 states. [2022-11-03 02:45:57,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2419 to 1023. [2022-11-03 02:45:57,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 1015 states have (on average 1.3192118226600986) internal successors, (1339), 1015 states have internal predecessors, (1339), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:45:57,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1351 transitions. [2022-11-03 02:45:57,149 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1351 transitions. Word has length 346 [2022-11-03 02:45:57,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:57,150 INFO L495 AbstractCegarLoop]: Abstraction has 1023 states and 1351 transitions. [2022-11-03 02:45:57,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:45:57,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1351 transitions. [2022-11-03 02:45:57,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:45:57,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:57,154 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:57,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:57,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:57,379 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:57,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:57,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1797629531, now seen corresponding path program 1 times [2022-11-03 02:45:57,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:57,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492371002] [2022-11-03 02:45:57,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:57,381 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:57,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:57,383 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:57,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-11-03 02:45:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:58,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:45:58,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:58,897 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:45:58,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:45:58,897 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:45:58,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492371002] [2022-11-03 02:45:58,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492371002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:58,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:58,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:45:58,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094725003] [2022-11-03 02:45:58,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:58,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:45:58,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:45:58,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:45:58,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:45:58,900 INFO L87 Difference]: Start difference. First operand 1023 states and 1351 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:45:59,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:59,405 INFO L93 Difference]: Finished difference Result 3136 states and 4166 transitions. [2022-11-03 02:45:59,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:59,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:45:59,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:59,410 INFO L225 Difference]: With dead ends: 3136 [2022-11-03 02:45:59,411 INFO L226 Difference]: Without dead ends: 2415 [2022-11-03 02:45:59,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:45:59,413 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 910 mSDsluCounter, 2044 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 2596 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 70 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:59,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 2596 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 70 Unchecked, 0.4s Time] [2022-11-03 02:45:59,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2022-11-03 02:45:59,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 1027. [2022-11-03 02:45:59,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1019 states have (on average 1.3189401373895977) internal successors, (1344), 1019 states have internal predecessors, (1344), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:45:59,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1356 transitions. [2022-11-03 02:45:59,475 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1356 transitions. Word has length 346 [2022-11-03 02:45:59,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:59,476 INFO L495 AbstractCegarLoop]: Abstraction has 1027 states and 1356 transitions. [2022-11-03 02:45:59,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:45:59,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1356 transitions. [2022-11-03 02:45:59,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:45:59,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:59,480 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:59,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:59,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:45:59,705 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:59,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:59,705 INFO L85 PathProgramCache]: Analyzing trace with hash 681661405, now seen corresponding path program 1 times [2022-11-03 02:45:59,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:45:59,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409560421] [2022-11-03 02:45:59,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:59,707 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:45:59,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:45:59,708 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:45:59,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2022-11-03 02:46:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:00,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:00,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:01,210 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:01,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:01,210 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:01,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409560421] [2022-11-03 02:46:01,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409560421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:01,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:01,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:01,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253372391] [2022-11-03 02:46:01,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:01,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:01,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:01,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:01,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:01,213 INFO L87 Difference]: Start difference. First operand 1027 states and 1356 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:01,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:01,697 INFO L93 Difference]: Finished difference Result 3128 states and 4153 transitions. [2022-11-03 02:46:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:01,698 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:01,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:01,703 INFO L225 Difference]: With dead ends: 3128 [2022-11-03 02:46:01,703 INFO L226 Difference]: Without dead ends: 2407 [2022-11-03 02:46:01,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:01,706 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 877 mSDsluCounter, 2032 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 2584 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 104 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:01,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 2584 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 104 Unchecked, 0.4s Time] [2022-11-03 02:46:01,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2407 states. [2022-11-03 02:46:01,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2407 to 1035. [2022-11-03 02:46:01,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1027 states have (on average 1.3193768257059397) internal successors, (1355), 1027 states have internal predecessors, (1355), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:01,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1367 transitions. [2022-11-03 02:46:01,782 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1367 transitions. Word has length 346 [2022-11-03 02:46:01,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:01,783 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 1367 transitions. [2022-11-03 02:46:01,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1367 transitions. [2022-11-03 02:46:01,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:01,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:01,788 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:01,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2022-11-03 02:46:02,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:02,013 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:02,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:02,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1759796385, now seen corresponding path program 1 times [2022-11-03 02:46:02,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:02,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721953713] [2022-11-03 02:46:02,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:02,015 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:02,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:02,018 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:02,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-11-03 02:46:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:02,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:02,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:03,502 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:03,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:03,503 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:03,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721953713] [2022-11-03 02:46:03,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [721953713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:03,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:03,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:03,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507395793] [2022-11-03 02:46:03,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:03,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:03,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:03,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:03,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:03,505 INFO L87 Difference]: Start difference. First operand 1035 states and 1367 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:04,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:04,043 INFO L93 Difference]: Finished difference Result 3157 states and 4194 transitions. [2022-11-03 02:46:04,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:04,044 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:04,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:04,048 INFO L225 Difference]: With dead ends: 3157 [2022-11-03 02:46:04,049 INFO L226 Difference]: Without dead ends: 2436 [2022-11-03 02:46:04,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:04,051 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 900 mSDsluCounter, 2020 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 2613 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 76 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:04,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [903 Valid, 2613 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 228 Invalid, 0 Unknown, 76 Unchecked, 0.4s Time] [2022-11-03 02:46:04,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-11-03 02:46:04,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1039. [2022-11-03 02:46:04,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1031 states have (on average 1.3191076624636275) internal successors, (1360), 1031 states have internal predecessors, (1360), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1372 transitions. [2022-11-03 02:46:04,115 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1372 transitions. Word has length 346 [2022-11-03 02:46:04,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:04,115 INFO L495 AbstractCegarLoop]: Abstraction has 1039 states and 1372 transitions. [2022-11-03 02:46:04,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:04,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1372 transitions. [2022-11-03 02:46:04,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:04,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:04,119 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:04,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (39)] Ended with exit code 0 [2022-11-03 02:46:04,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:04,342 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:04,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:04,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1184760801, now seen corresponding path program 1 times [2022-11-03 02:46:04,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:04,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [264739211] [2022-11-03 02:46:04,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:04,345 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:04,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:04,350 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:04,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2022-11-03 02:46:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:05,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:05,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:05,897 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:05,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:05,898 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:05,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [264739211] [2022-11-03 02:46:05,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [264739211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:05,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:05,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:05,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010331310] [2022-11-03 02:46:05,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:05,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:05,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:05,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:05,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:05,901 INFO L87 Difference]: Start difference. First operand 1039 states and 1372 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:06,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:06,413 INFO L93 Difference]: Finished difference Result 3157 states and 4193 transitions. [2022-11-03 02:46:06,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:06,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:06,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:06,416 INFO L225 Difference]: With dead ends: 3157 [2022-11-03 02:46:06,416 INFO L226 Difference]: Without dead ends: 2436 [2022-11-03 02:46:06,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:06,417 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 890 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 2622 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:06,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 2622 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 229 Invalid, 0 Unknown, 77 Unchecked, 0.4s Time] [2022-11-03 02:46:06,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-11-03 02:46:06,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1043. [2022-11-03 02:46:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 1035 states have (on average 1.318840579710145) internal successors, (1365), 1035 states have internal predecessors, (1365), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:06,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1377 transitions. [2022-11-03 02:46:06,480 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1377 transitions. Word has length 346 [2022-11-03 02:46:06,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:06,481 INFO L495 AbstractCegarLoop]: Abstraction has 1043 states and 1377 transitions. [2022-11-03 02:46:06,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:06,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1377 transitions. [2022-11-03 02:46:06,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:06,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:06,485 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:06,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (40)] Ended with exit code 0 [2022-11-03 02:46:06,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:06,701 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:06,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:06,701 INFO L85 PathProgramCache]: Analyzing trace with hash -673647261, now seen corresponding path program 1 times [2022-11-03 02:46:06,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:06,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425369181] [2022-11-03 02:46:06,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:06,704 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:06,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:06,705 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:06,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2022-11-03 02:46:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:07,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:07,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:08,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:08,227 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:08,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425369181] [2022-11-03 02:46:08,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425369181] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:08,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:08,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:08,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822248577] [2022-11-03 02:46:08,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:08,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:08,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:08,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:08,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:08,229 INFO L87 Difference]: Start difference. First operand 1043 states and 1377 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:08,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:08,697 INFO L93 Difference]: Finished difference Result 3157 states and 4192 transitions. [2022-11-03 02:46:08,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:08,698 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:08,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:08,702 INFO L225 Difference]: With dead ends: 3157 [2022-11-03 02:46:08,702 INFO L226 Difference]: Without dead ends: 2436 [2022-11-03 02:46:08,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:08,704 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 991 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 2305 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 137 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:08,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 2305 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 137 Unchecked, 0.4s Time] [2022-11-03 02:46:08,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-11-03 02:46:08,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1047. [2022-11-03 02:46:08,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 1039 states have (on average 1.318575553416747) internal successors, (1370), 1039 states have internal predecessors, (1370), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:08,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1382 transitions. [2022-11-03 02:46:08,789 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1382 transitions. Word has length 346 [2022-11-03 02:46:08,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:08,790 INFO L495 AbstractCegarLoop]: Abstraction has 1047 states and 1382 transitions. [2022-11-03 02:46:08,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:08,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1382 transitions. [2022-11-03 02:46:08,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:08,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:08,794 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:08,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2022-11-03 02:46:09,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:09,017 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:09,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:09,018 INFO L85 PathProgramCache]: Analyzing trace with hash -675481627, now seen corresponding path program 1 times [2022-11-03 02:46:09,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:09,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [776059078] [2022-11-03 02:46:09,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:09,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:09,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:09,021 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:09,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-11-03 02:46:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:09,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:46:09,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:10,191 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 02:46:10,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:46:10,561 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 02:46:10,562 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:10,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [776059078] [2022-11-03 02:46:10,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [776059078] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:46:10,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [199449119] [2022-11-03 02:46:10,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:10,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:46:10,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:46:10,563 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:46:10,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2022-11-03 02:46:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:11,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:46:11,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:12,064 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:12,065 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:12,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [199449119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:12,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:46:12,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 02:46:12,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380662215] [2022-11-03 02:46:12,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:12,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:46:12,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:12,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:46:12,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:46:12,068 INFO L87 Difference]: Start difference. First operand 1047 states and 1382 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:12,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:12,428 INFO L93 Difference]: Finished difference Result 2701 states and 3612 transitions. [2022-11-03 02:46:12,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:12,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:12,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:12,433 INFO L225 Difference]: With dead ends: 2701 [2022-11-03 02:46:12,433 INFO L226 Difference]: Without dead ends: 1980 [2022-11-03 02:46:12,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:46:12,435 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 1614 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1617 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:12,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1617 Valid, 1460 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:46:12,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2022-11-03 02:46:12,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1109. [2022-11-03 02:46:12,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1109 states, 1101 states have (on average 1.3215258855585832) internal successors, (1455), 1101 states have internal predecessors, (1455), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:12,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1467 transitions. [2022-11-03 02:46:12,501 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1467 transitions. Word has length 346 [2022-11-03 02:46:12,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:12,501 INFO L495 AbstractCegarLoop]: Abstraction has 1109 states and 1467 transitions. [2022-11-03 02:46:12,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:12,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1467 transitions. [2022-11-03 02:46:12,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:12,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:12,505 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:12,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2022-11-03 02:46:12,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (42)] Ended with exit code 0 [2022-11-03 02:46:12,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:12,916 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:12,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:12,916 INFO L85 PathProgramCache]: Analyzing trace with hash -921289501, now seen corresponding path program 1 times [2022-11-03 02:46:12,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:12,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2134744856] [2022-11-03 02:46:12,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:12,918 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:12,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:12,919 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:12,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2022-11-03 02:46:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:13,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:13,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:14,465 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:14,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:14,466 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:14,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2134744856] [2022-11-03 02:46:14,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2134744856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:14,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:14,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:14,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718479104] [2022-11-03 02:46:14,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:14,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:14,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:14,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:14,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:14,471 INFO L87 Difference]: Start difference. First operand 1109 states and 1467 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:14,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:14,931 INFO L93 Difference]: Finished difference Result 3208 states and 4259 transitions. [2022-11-03 02:46:14,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:14,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:14,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:14,936 INFO L225 Difference]: With dead ends: 3208 [2022-11-03 02:46:14,936 INFO L226 Difference]: Without dead ends: 2455 [2022-11-03 02:46:14,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:14,938 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 921 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 2230 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 135 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:14,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 2230 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 210 Invalid, 0 Unknown, 135 Unchecked, 0.3s Time] [2022-11-03 02:46:14,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2022-11-03 02:46:14,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 1115. [2022-11-03 02:46:14,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1107 states have (on average 1.3206865401987353) internal successors, (1462), 1107 states have internal predecessors, (1462), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:14,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1474 transitions. [2022-11-03 02:46:14,999 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1474 transitions. Word has length 346 [2022-11-03 02:46:15,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:15,000 INFO L495 AbstractCegarLoop]: Abstraction has 1115 states and 1474 transitions. [2022-11-03 02:46:15,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:15,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1474 transitions. [2022-11-03 02:46:15,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:15,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:15,004 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:15,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2022-11-03 02:46:15,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:15,228 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:15,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:15,228 INFO L85 PathProgramCache]: Analyzing trace with hash -791424923, now seen corresponding path program 1 times [2022-11-03 02:46:15,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:15,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579361489] [2022-11-03 02:46:15,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:15,230 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:15,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:15,232 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:15,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2022-11-03 02:46:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:16,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:16,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:17,020 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:17,021 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:17,021 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:17,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579361489] [2022-11-03 02:46:17,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [579361489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:17,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:17,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:17,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461645703] [2022-11-03 02:46:17,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:17,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:17,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:17,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:17,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:17,025 INFO L87 Difference]: Start difference. First operand 1115 states and 1474 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:17,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:17,544 INFO L93 Difference]: Finished difference Result 3285 states and 4371 transitions. [2022-11-03 02:46:17,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:17,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:17,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:17,550 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 02:46:17,550 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 02:46:17,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:17,552 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 857 mSDsluCounter, 2053 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 108 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:17,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 2668 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 236 Invalid, 0 Unknown, 108 Unchecked, 0.4s Time] [2022-11-03 02:46:17,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 02:46:17,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1119. [2022-11-03 02:46:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 1111 states have (on average 1.3204320432043204) internal successors, (1467), 1111 states have internal predecessors, (1467), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:17,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1479 transitions. [2022-11-03 02:46:17,614 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1479 transitions. Word has length 346 [2022-11-03 02:46:17,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:17,615 INFO L495 AbstractCegarLoop]: Abstraction has 1119 states and 1479 transitions. [2022-11-03 02:46:17,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1479 transitions. [2022-11-03 02:46:17,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:17,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:17,619 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:17,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (45)] Ended with exit code 0 [2022-11-03 02:46:17,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:17,841 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:17,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:17,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1512344345, now seen corresponding path program 1 times [2022-11-03 02:46:17,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:17,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330259612] [2022-11-03 02:46:17,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:17,843 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:17,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:17,845 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:17,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2022-11-03 02:46:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:18,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:18,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:19,493 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:19,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:19,493 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:19,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [330259612] [2022-11-03 02:46:19,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [330259612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:19,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:19,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:19,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857654120] [2022-11-03 02:46:19,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:19,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:19,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:19,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:19,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:19,496 INFO L87 Difference]: Start difference. First operand 1119 states and 1479 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:19,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:19,967 INFO L93 Difference]: Finished difference Result 3200 states and 4245 transitions. [2022-11-03 02:46:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:19,968 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:19,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:19,971 INFO L225 Difference]: With dead ends: 3200 [2022-11-03 02:46:19,971 INFO L226 Difference]: Without dead ends: 2447 [2022-11-03 02:46:19,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:19,973 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 888 mSDsluCounter, 1774 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 891 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 67 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:19,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [891 Valid, 2211 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 211 Invalid, 0 Unknown, 67 Unchecked, 0.4s Time] [2022-11-03 02:46:19,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2022-11-03 02:46:20,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 1123. [2022-11-03 02:46:20,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1115 states have (on average 1.3201793721973094) internal successors, (1472), 1115 states have internal predecessors, (1472), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:20,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1484 transitions. [2022-11-03 02:46:20,035 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1484 transitions. Word has length 346 [2022-11-03 02:46:20,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:20,036 INFO L495 AbstractCegarLoop]: Abstraction has 1123 states and 1484 transitions. [2022-11-03 02:46:20,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:20,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1484 transitions. [2022-11-03 02:46:20,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:20,040 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:20,040 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:20,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (46)] Forceful destruction successful, exit code 0 [2022-11-03 02:46:20,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:20,265 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:20,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:20,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1507699305, now seen corresponding path program 1 times [2022-11-03 02:46:20,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:20,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [332223718] [2022-11-03 02:46:20,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:20,267 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:20,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:20,269 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:20,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2022-11-03 02:46:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:21,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:21,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:22,033 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:22,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:22,033 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:22,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [332223718] [2022-11-03 02:46:22,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [332223718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:22,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:22,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:22,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036193342] [2022-11-03 02:46:22,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:22,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:22,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:22,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:22,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:22,035 INFO L87 Difference]: Start difference. First operand 1123 states and 1484 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:22,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:22,535 INFO L93 Difference]: Finished difference Result 3285 states and 4369 transitions. [2022-11-03 02:46:22,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:22,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:22,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:22,539 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 02:46:22,540 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 02:46:22,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:22,542 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 824 mSDsluCounter, 2083 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 2718 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 122 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:22,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 2718 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 242 Invalid, 0 Unknown, 122 Unchecked, 0.4s Time] [2022-11-03 02:46:22,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 02:46:22,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1131. [2022-11-03 02:46:22,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1123 states have (on average 1.3205699020480854) internal successors, (1483), 1123 states have internal predecessors, (1483), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:22,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1495 transitions. [2022-11-03 02:46:22,639 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1495 transitions. Word has length 346 [2022-11-03 02:46:22,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:22,640 INFO L495 AbstractCegarLoop]: Abstraction has 1131 states and 1495 transitions. [2022-11-03 02:46:22,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:22,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1495 transitions. [2022-11-03 02:46:22,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:22,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:22,645 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:22,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2022-11-03 02:46:22,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:22,857 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:22,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:22,858 INFO L85 PathProgramCache]: Analyzing trace with hash -773422613, now seen corresponding path program 1 times [2022-11-03 02:46:22,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:22,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849819433] [2022-11-03 02:46:22,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:22,860 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:22,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:22,862 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:22,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2022-11-03 02:46:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:23,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:23,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:24,570 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:24,571 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:24,571 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:24,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849819433] [2022-11-03 02:46:24,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [849819433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:24,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:24,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:24,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741186580] [2022-11-03 02:46:24,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:24,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:24,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:24,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:24,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:24,574 INFO L87 Difference]: Start difference. First operand 1131 states and 1495 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:25,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:25,180 INFO L93 Difference]: Finished difference Result 3285 states and 4368 transitions. [2022-11-03 02:46:25,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:25,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:25,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:25,183 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 02:46:25,183 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 02:46:25,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:25,186 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 814 mSDsluCounter, 2086 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 2725 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 99 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:25,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 2725 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 243 Invalid, 0 Unknown, 99 Unchecked, 0.4s Time] [2022-11-03 02:46:25,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 02:46:25,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1135. [2022-11-03 02:46:25,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 1127 states have (on average 1.3203194321206744) internal successors, (1488), 1127 states have internal predecessors, (1488), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:25,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1500 transitions. [2022-11-03 02:46:25,237 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1500 transitions. Word has length 346 [2022-11-03 02:46:25,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:25,238 INFO L495 AbstractCegarLoop]: Abstraction has 1135 states and 1500 transitions. [2022-11-03 02:46:25,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:25,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1500 transitions. [2022-11-03 02:46:25,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:25,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:25,241 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:25,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (48)] Ended with exit code 0 [2022-11-03 02:46:25,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:25,461 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:25,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:25,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1736141421, now seen corresponding path program 1 times [2022-11-03 02:46:25,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:25,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557848947] [2022-11-03 02:46:25,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:25,463 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:25,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:25,464 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:25,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2022-11-03 02:46:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:26,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:26,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:27,185 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:27,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:27,186 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:27,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557848947] [2022-11-03 02:46:27,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557848947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:27,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:27,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:27,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032817169] [2022-11-03 02:46:27,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:27,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:27,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:27,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:27,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:27,187 INFO L87 Difference]: Start difference. First operand 1135 states and 1500 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:27,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:27,637 INFO L93 Difference]: Finished difference Result 3184 states and 4218 transitions. [2022-11-03 02:46:27,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:27,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:27,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:27,640 INFO L225 Difference]: With dead ends: 3184 [2022-11-03 02:46:27,641 INFO L226 Difference]: Without dead ends: 2431 [2022-11-03 02:46:27,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:27,642 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 820 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 2193 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 91 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:27,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 2193 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 211 Invalid, 0 Unknown, 91 Unchecked, 0.3s Time] [2022-11-03 02:46:27,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2431 states. [2022-11-03 02:46:27,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2431 to 1139. [2022-11-03 02:46:27,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1131 states have (on average 1.3200707338638373) internal successors, (1493), 1131 states have internal predecessors, (1493), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:27,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1505 transitions. [2022-11-03 02:46:27,705 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1505 transitions. Word has length 346 [2022-11-03 02:46:27,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:27,705 INFO L495 AbstractCegarLoop]: Abstraction has 1139 states and 1505 transitions. [2022-11-03 02:46:27,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:27,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1505 transitions. [2022-11-03 02:46:27,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:27,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:27,709 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:27,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2022-11-03 02:46:27,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:27,925 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:27,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:27,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1655905297, now seen corresponding path program 1 times [2022-11-03 02:46:27,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:27,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199637061] [2022-11-03 02:46:27,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:27,927 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:27,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:27,928 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:27,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2022-11-03 02:46:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:28,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:28,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:29,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:29,964 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:29,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199637061] [2022-11-03 02:46:29,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199637061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:29,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:29,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:29,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296042869] [2022-11-03 02:46:29,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:29,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:29,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:29,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:29,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:29,966 INFO L87 Difference]: Start difference. First operand 1139 states and 1505 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:30,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:30,463 INFO L93 Difference]: Finished difference Result 3285 states and 4366 transitions. [2022-11-03 02:46:30,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:30,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:30,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:30,465 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 02:46:30,465 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 02:46:30,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:30,467 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 793 mSDsluCounter, 2102 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 2751 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 69 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:30,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 2751 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 245 Invalid, 0 Unknown, 69 Unchecked, 0.4s Time] [2022-11-03 02:46:30,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 02:46:30,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1143. [2022-11-03 02:46:30,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1135 states have (on average 1.3198237885462556) internal successors, (1498), 1135 states have internal predecessors, (1498), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:30,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1510 transitions. [2022-11-03 02:46:30,509 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1510 transitions. Word has length 346 [2022-11-03 02:46:30,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:30,510 INFO L495 AbstractCegarLoop]: Abstraction has 1143 states and 1510 transitions. [2022-11-03 02:46:30,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:30,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1510 transitions. [2022-11-03 02:46:30,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:30,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:30,512 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:30,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (50)] Ended with exit code 0 [2022-11-03 02:46:30,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:30,717 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:30,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:30,717 INFO L85 PathProgramCache]: Analyzing trace with hash -498373007, now seen corresponding path program 1 times [2022-11-03 02:46:30,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:30,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894736410] [2022-11-03 02:46:30,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:30,719 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:30,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:30,723 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:30,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2022-11-03 02:46:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:31,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:46:31,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:31,786 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 02:46:31,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:46:32,187 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 02:46:32,187 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:32,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894736410] [2022-11-03 02:46:32,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [894736410] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:46:32,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [103554448] [2022-11-03 02:46:32,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:32,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:46:32,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:46:32,189 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:46:32,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2022-11-03 02:46:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:33,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:46:33,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:33,736 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:33,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:33,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [103554448] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:33,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:46:33,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 02:46:33,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928646190] [2022-11-03 02:46:33,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:33,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:46:33,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:33,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:46:33,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:46:33,739 INFO L87 Difference]: Start difference. First operand 1143 states and 1510 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:34,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:34,070 INFO L93 Difference]: Finished difference Result 2829 states and 3786 transitions. [2022-11-03 02:46:34,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:34,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:34,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:34,072 INFO L225 Difference]: With dead ends: 2829 [2022-11-03 02:46:34,073 INFO L226 Difference]: Without dead ends: 2076 [2022-11-03 02:46:34,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:46:34,074 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 1585 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:34,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1588 Valid, 1493 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:46:34,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2022-11-03 02:46:34,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 1205. [2022-11-03 02:46:34,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 1197 states have (on average 1.3224728487886384) internal successors, (1583), 1197 states have internal predecessors, (1583), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:34,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1595 transitions. [2022-11-03 02:46:34,118 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1595 transitions. Word has length 346 [2022-11-03 02:46:34,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:34,119 INFO L495 AbstractCegarLoop]: Abstraction has 1205 states and 1595 transitions. [2022-11-03 02:46:34,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:34,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1595 transitions. [2022-11-03 02:46:34,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:34,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:34,123 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:34,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (51)] Forceful destruction successful, exit code 0 [2022-11-03 02:46:34,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2022-11-03 02:46:34,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:46:34,548 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:34,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:34,549 INFO L85 PathProgramCache]: Analyzing trace with hash 2038967151, now seen corresponding path program 1 times [2022-11-03 02:46:34,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:34,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066657397] [2022-11-03 02:46:34,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:34,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:34,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:34,552 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:34,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2022-11-03 02:46:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:35,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:35,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:36,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:36,419 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:36,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066657397] [2022-11-03 02:46:36,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2066657397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:36,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:36,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:36,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709163544] [2022-11-03 02:46:36,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:36,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:36,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:36,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:36,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:36,422 INFO L87 Difference]: Start difference. First operand 1205 states and 1595 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:36,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:36,979 INFO L93 Difference]: Finished difference Result 3413 states and 4546 transitions. [2022-11-03 02:46:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:36,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:36,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:36,982 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 02:46:36,982 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 02:46:36,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:36,984 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 893 mSDsluCounter, 1898 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 2442 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 135 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:36,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 2442 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 244 Invalid, 0 Unknown, 135 Unchecked, 0.4s Time] [2022-11-03 02:46:36,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 02:46:37,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1211. [2022-11-03 02:46:37,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1203 states have (on average 1.3216957605985038) internal successors, (1590), 1203 states have internal predecessors, (1590), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:37,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1602 transitions. [2022-11-03 02:46:37,041 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1602 transitions. Word has length 346 [2022-11-03 02:46:37,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:37,041 INFO L495 AbstractCegarLoop]: Abstraction has 1211 states and 1602 transitions. [2022-11-03 02:46:37,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:37,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1602 transitions. [2022-11-03 02:46:37,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:37,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:37,044 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:37,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (53)] Ended with exit code 0 [2022-11-03 02:46:37,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:37,245 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:37,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:37,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1222919921, now seen corresponding path program 1 times [2022-11-03 02:46:37,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:37,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901327832] [2022-11-03 02:46:37,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:37,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:37,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:37,248 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:37,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2022-11-03 02:46:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:38,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:38,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:39,059 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:39,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:39,059 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:39,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [901327832] [2022-11-03 02:46:39,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [901327832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:39,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:39,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:39,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785875227] [2022-11-03 02:46:39,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:39,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:39,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:39,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:39,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:39,062 INFO L87 Difference]: Start difference. First operand 1211 states and 1602 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:39,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:39,647 INFO L93 Difference]: Finished difference Result 3413 states and 4545 transitions. [2022-11-03 02:46:39,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:39,648 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:39,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:39,650 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 02:46:39,650 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 02:46:39,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:39,652 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 882 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 2460 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 153 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:39,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 2460 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 247 Invalid, 0 Unknown, 153 Unchecked, 0.5s Time] [2022-11-03 02:46:39,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 02:46:39,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1215. [2022-11-03 02:46:39,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1207 states have (on average 1.3214581607290803) internal successors, (1595), 1207 states have internal predecessors, (1595), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:39,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1607 transitions. [2022-11-03 02:46:39,729 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1607 transitions. Word has length 346 [2022-11-03 02:46:39,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:39,729 INFO L495 AbstractCegarLoop]: Abstraction has 1215 states and 1607 transitions. [2022-11-03 02:46:39,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:39,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1607 transitions. [2022-11-03 02:46:39,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:39,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:39,734 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:39,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (54)] Ended with exit code 0 [2022-11-03 02:46:39,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:39,949 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:39,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:39,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1242461043, now seen corresponding path program 1 times [2022-11-03 02:46:39,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:39,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651183730] [2022-11-03 02:46:39,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:39,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:39,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:39,953 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:39,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2022-11-03 02:46:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:40,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:40,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:41,743 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:41,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:41,743 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:41,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651183730] [2022-11-03 02:46:41,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651183730] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:41,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:41,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:41,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753040737] [2022-11-03 02:46:41,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:41,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:41,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:41,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:41,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:41,745 INFO L87 Difference]: Start difference. First operand 1215 states and 1607 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:42,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:42,304 INFO L93 Difference]: Finished difference Result 3413 states and 4544 transitions. [2022-11-03 02:46:42,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:42,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:42,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:42,308 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 02:46:42,308 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 02:46:42,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:42,310 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 871 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 2471 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 86 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:42,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 2471 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 247 Invalid, 0 Unknown, 86 Unchecked, 0.4s Time] [2022-11-03 02:46:42,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 02:46:42,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1219. [2022-11-03 02:46:42,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1211 states have (on average 1.3212221304706855) internal successors, (1600), 1211 states have internal predecessors, (1600), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:42,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1612 transitions. [2022-11-03 02:46:42,356 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1612 transitions. Word has length 346 [2022-11-03 02:46:42,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:42,357 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1612 transitions. [2022-11-03 02:46:42,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:42,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1612 transitions. [2022-11-03 02:46:42,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:42,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:42,359 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:42,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (55)] Ended with exit code 0 [2022-11-03 02:46:42,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:42,560 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:42,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:42,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1891053813, now seen corresponding path program 1 times [2022-11-03 02:46:42,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:42,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1604117770] [2022-11-03 02:46:42,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:42,562 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:42,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:42,563 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:42,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2022-11-03 02:46:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:43,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:43,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:44,508 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:44,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:44,509 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:44,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1604117770] [2022-11-03 02:46:44,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1604117770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:44,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:44,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:44,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156897435] [2022-11-03 02:46:44,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:44,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:44,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:44,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:44,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:44,512 INFO L87 Difference]: Start difference. First operand 1219 states and 1612 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:45,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:45,143 INFO L93 Difference]: Finished difference Result 3413 states and 4543 transitions. [2022-11-03 02:46:45,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:45,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:45,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:45,147 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 02:46:45,147 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 02:46:45,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:45,150 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 850 mSDsluCounter, 1937 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 2505 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 133 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:45,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 2505 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 251 Invalid, 0 Unknown, 133 Unchecked, 0.5s Time] [2022-11-03 02:46:45,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 02:46:45,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1227. [2022-11-03 02:46:45,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1219 states have (on average 1.3215750615258408) internal successors, (1611), 1219 states have internal predecessors, (1611), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:45,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1623 transitions. [2022-11-03 02:46:45,222 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1623 transitions. Word has length 346 [2022-11-03 02:46:45,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:45,223 INFO L495 AbstractCegarLoop]: Abstraction has 1227 states and 1623 transitions. [2022-11-03 02:46:45,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:45,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1623 transitions. [2022-11-03 02:46:45,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:45,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:45,227 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:45,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (56)] Forceful destruction successful, exit code 0 [2022-11-03 02:46:45,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:45,451 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:45,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:45,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1905356681, now seen corresponding path program 1 times [2022-11-03 02:46:45,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:45,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160975471] [2022-11-03 02:46:45,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:45,454 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:45,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:45,456 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:45,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (57)] Waiting until timeout for monitored process [2022-11-03 02:46:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:46,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:46,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:47,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:47,430 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:47,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1160975471] [2022-11-03 02:46:47,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1160975471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:47,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:47,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:47,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572481643] [2022-11-03 02:46:47,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:47,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:47,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:47,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:47,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:47,433 INFO L87 Difference]: Start difference. First operand 1227 states and 1623 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:47,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:47,934 INFO L93 Difference]: Finished difference Result 3252 states and 4304 transitions. [2022-11-03 02:46:47,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:47,934 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:47,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:47,936 INFO L225 Difference]: With dead ends: 3252 [2022-11-03 02:46:47,937 INFO L226 Difference]: Without dead ends: 2467 [2022-11-03 02:46:47,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:47,938 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 591 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 2477 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 87 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:47,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 2477 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 87 Unchecked, 0.4s Time] [2022-11-03 02:46:47,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2022-11-03 02:46:47,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 1231. [2022-11-03 02:46:47,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1223 states have (on average 1.321340964840556) internal successors, (1616), 1223 states have internal predecessors, (1616), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:48,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1628 transitions. [2022-11-03 02:46:48,001 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1628 transitions. Word has length 346 [2022-11-03 02:46:48,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:48,001 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 1628 transitions. [2022-11-03 02:46:48,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:48,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1628 transitions. [2022-11-03 02:46:48,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:48,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:48,005 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:48,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (57)] Ended with exit code 0 [2022-11-03 02:46:48,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:48,215 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:48,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:48,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1237974791, now seen corresponding path program 1 times [2022-11-03 02:46:48,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:48,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730291528] [2022-11-03 02:46:48,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:48,217 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:48,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:48,219 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:48,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2022-11-03 02:46:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:49,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:49,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:50,181 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:50,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:50,182 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:50,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730291528] [2022-11-03 02:46:50,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730291528] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:50,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:50,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:50,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465763162] [2022-11-03 02:46:50,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:50,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:50,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:50,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:50,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:50,185 INFO L87 Difference]: Start difference. First operand 1231 states and 1628 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:50,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:50,719 INFO L93 Difference]: Finished difference Result 3413 states and 4541 transitions. [2022-11-03 02:46:50,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:50,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:50,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:50,722 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 02:46:50,722 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 02:46:50,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:50,723 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 828 mSDsluCounter, 1951 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 2531 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 107 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:50,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 2531 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 255 Invalid, 0 Unknown, 107 Unchecked, 0.4s Time] [2022-11-03 02:46:50,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 02:46:50,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1235. [2022-11-03 02:46:50,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 1227 states have (on average 1.3211083944580277) internal successors, (1621), 1227 states have internal predecessors, (1621), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:50,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1633 transitions. [2022-11-03 02:46:50,798 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1633 transitions. Word has length 346 [2022-11-03 02:46:50,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:50,798 INFO L495 AbstractCegarLoop]: Abstraction has 1235 states and 1633 transitions. [2022-11-03 02:46:50,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:50,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1633 transitions. [2022-11-03 02:46:50,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:50,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:50,802 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:50,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (58)] Forceful destruction successful, exit code 0 [2022-11-03 02:46:51,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:51,003 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:51,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:51,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1287520891, now seen corresponding path program 1 times [2022-11-03 02:46:51,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:51,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010300816] [2022-11-03 02:46:51,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:51,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:51,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:51,007 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:51,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (59)] Waiting until timeout for monitored process [2022-11-03 02:46:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:51,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:51,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:52,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:52,985 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:52,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2010300816] [2022-11-03 02:46:52,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2010300816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:52,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:52,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:52,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228319074] [2022-11-03 02:46:52,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:52,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:52,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:52,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:52,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:52,987 INFO L87 Difference]: Start difference. First operand 1235 states and 1633 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:53,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:53,498 INFO L93 Difference]: Finished difference Result 3244 states and 4290 transitions. [2022-11-03 02:46:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:53,499 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:53,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:53,502 INFO L225 Difference]: With dead ends: 3244 [2022-11-03 02:46:53,502 INFO L226 Difference]: Without dead ends: 2459 [2022-11-03 02:46:53,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:53,504 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 556 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 2470 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 67 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:53,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 2470 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 67 Unchecked, 0.4s Time] [2022-11-03 02:46:53,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2459 states. [2022-11-03 02:46:53,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2459 to 1239. [2022-11-03 02:46:53,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1231 states have (on average 1.3208773354995937) internal successors, (1626), 1231 states have internal predecessors, (1626), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1638 transitions. [2022-11-03 02:46:53,564 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1638 transitions. Word has length 346 [2022-11-03 02:46:53,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:53,564 INFO L495 AbstractCegarLoop]: Abstraction has 1239 states and 1638 transitions. [2022-11-03 02:46:53,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1638 transitions. [2022-11-03 02:46:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:53,566 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:53,567 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:53,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (59)] Ended with exit code 0 [2022-11-03 02:46:53,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:46:53,767 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:53,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:53,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1560865539, now seen corresponding path program 1 times [2022-11-03 02:46:53,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:53,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120997435] [2022-11-03 02:46:53,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:53,769 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:53,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:53,770 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:53,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (60)] Waiting until timeout for monitored process [2022-11-03 02:46:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:54,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:46:54,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:54,967 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 02:46:54,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:46:55,391 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 02:46:55,391 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:55,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1120997435] [2022-11-03 02:46:55,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1120997435] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:46:55,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [802157987] [2022-11-03 02:46:55,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:55,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:46:55,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:46:55,392 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:46:55,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2022-11-03 02:46:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:56,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:46:56,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:56,985 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:56,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:56,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [802157987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:56,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:46:56,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 02:46:56,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077202905] [2022-11-03 02:46:56,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:56,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:46:56,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:56,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:46:56,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:46:56,988 INFO L87 Difference]: Start difference. First operand 1239 states and 1638 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:57,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:57,323 INFO L93 Difference]: Finished difference Result 2957 states and 3960 transitions. [2022-11-03 02:46:57,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:57,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:46:57,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:57,326 INFO L225 Difference]: With dead ends: 2957 [2022-11-03 02:46:57,326 INFO L226 Difference]: Without dead ends: 2172 [2022-11-03 02:46:57,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:46:57,328 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 1544 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:57,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 1540 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:46:57,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2022-11-03 02:46:57,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 1301. [2022-11-03 02:46:57,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1301 states, 1293 states have (on average 1.3232791956689869) internal successors, (1711), 1293 states have internal predecessors, (1711), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:46:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1723 transitions. [2022-11-03 02:46:57,396 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1723 transitions. Word has length 346 [2022-11-03 02:46:57,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:57,396 INFO L495 AbstractCegarLoop]: Abstraction has 1301 states and 1723 transitions. [2022-11-03 02:46:57,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:46:57,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1723 transitions. [2022-11-03 02:46:57,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:46:57,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:57,401 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:57,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (60)] Ended with exit code 0 [2022-11-03 02:46:57,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2022-11-03 02:46:57,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:46:57,801 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:57,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:57,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1946727941, now seen corresponding path program 1 times [2022-11-03 02:46:57,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:46:57,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108635251] [2022-11-03 02:46:57,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:57,804 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:46:57,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:46:57,805 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:46:57,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (62)] Waiting until timeout for monitored process [2022-11-03 02:46:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:58,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:46:58,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:46:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:46:59,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:46:59,925 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:46:59,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2108635251] [2022-11-03 02:46:59,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2108635251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:59,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:59,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:59,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605477796] [2022-11-03 02:46:59,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:59,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:59,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:46:59,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:59,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:59,928 INFO L87 Difference]: Start difference. First operand 1301 states and 1723 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:00,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:00,427 INFO L93 Difference]: Finished difference Result 3336 states and 4417 transitions. [2022-11-03 02:47:00,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:47:00,428 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:47:00,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:00,430 INFO L225 Difference]: With dead ends: 3336 [2022-11-03 02:47:00,430 INFO L226 Difference]: Without dead ends: 2519 [2022-11-03 02:47:00,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:47:00,432 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 539 mSDsluCounter, 1912 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 71 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:00,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 2464 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 216 Invalid, 0 Unknown, 71 Unchecked, 0.4s Time] [2022-11-03 02:47:00,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2022-11-03 02:47:00,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 1307. [2022-11-03 02:47:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1307 states, 1299 states have (on average 1.3225558121632024) internal successors, (1718), 1299 states have internal predecessors, (1718), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:47:00,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1730 transitions. [2022-11-03 02:47:00,491 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1730 transitions. Word has length 346 [2022-11-03 02:47:00,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:00,492 INFO L495 AbstractCegarLoop]: Abstraction has 1307 states and 1730 transitions. [2022-11-03 02:47:00,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1730 transitions. [2022-11-03 02:47:00,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:47:00,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:00,494 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:47:00,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (62)] Ended with exit code 0 [2022-11-03 02:47:00,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:47:00,695 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:47:00,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:00,695 INFO L85 PathProgramCache]: Analyzing trace with hash -15602307, now seen corresponding path program 1 times [2022-11-03 02:47:00,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:47:00,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427330927] [2022-11-03 02:47:00,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:00,697 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:47:00,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:47:00,698 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:47:00,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (63)] Waiting until timeout for monitored process [2022-11-03 02:47:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:01,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:47:01,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:47:02,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:47:02,682 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:47:02,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427330927] [2022-11-03 02:47:02,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427330927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:02,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:47:02,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:47:02,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042970292] [2022-11-03 02:47:02,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:02,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:47:02,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:47:02,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:47:02,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:47:02,684 INFO L87 Difference]: Start difference. First operand 1307 states and 1730 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:03,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:03,249 INFO L93 Difference]: Finished difference Result 3541 states and 4719 transitions. [2022-11-03 02:47:03,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:47:03,249 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:47:03,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:03,251 INFO L225 Difference]: With dead ends: 3541 [2022-11-03 02:47:03,251 INFO L226 Difference]: Without dead ends: 2724 [2022-11-03 02:47:03,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:47:03,253 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 795 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 2580 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 138 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:03,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 2580 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 262 Invalid, 0 Unknown, 138 Unchecked, 0.4s Time] [2022-11-03 02:47:03,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-11-03 02:47:03,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1311. [2022-11-03 02:47:03,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1303 states have (on average 1.3223330775134305) internal successors, (1723), 1303 states have internal predecessors, (1723), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:47:03,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1735 transitions. [2022-11-03 02:47:03,332 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1735 transitions. Word has length 346 [2022-11-03 02:47:03,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:03,332 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1735 transitions. [2022-11-03 02:47:03,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:03,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1735 transitions. [2022-11-03 02:47:03,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:47:03,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:03,337 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:47:03,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (63)] Ended with exit code 0 [2022-11-03 02:47:03,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:47:03,556 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:47:03,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:03,556 INFO L85 PathProgramCache]: Analyzing trace with hash 410952191, now seen corresponding path program 1 times [2022-11-03 02:47:03,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:47:03,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113340330] [2022-11-03 02:47:03,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:03,558 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:47:03,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:47:03,559 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:47:03,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (64)] Waiting until timeout for monitored process [2022-11-03 02:47:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:04,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:47:04,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:05,588 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:47:05,588 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:47:05,588 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:47:05,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113340330] [2022-11-03 02:47:05,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113340330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:05,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:47:05,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:47:05,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940956521] [2022-11-03 02:47:05,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:05,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:47:05,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:47:05,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:47:05,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:47:05,591 INFO L87 Difference]: Start difference. First operand 1311 states and 1735 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:06,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:06,218 INFO L93 Difference]: Finished difference Result 3541 states and 4718 transitions. [2022-11-03 02:47:06,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:47:06,219 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:47:06,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:06,221 INFO L225 Difference]: With dead ends: 3541 [2022-11-03 02:47:06,222 INFO L226 Difference]: Without dead ends: 2724 [2022-11-03 02:47:06,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:47:06,223 INFO L413 NwaCegarLoop]: 719 mSDtfsCounter, 671 mSDsluCounter, 2210 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2929 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 118 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:06,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2929 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 271 Invalid, 0 Unknown, 118 Unchecked, 0.4s Time] [2022-11-03 02:47:06,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-11-03 02:47:06,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1315. [2022-11-03 02:47:06,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1315 states, 1307 states have (on average 1.3221117061973986) internal successors, (1728), 1307 states have internal predecessors, (1728), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:47:06,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1740 transitions. [2022-11-03 02:47:06,273 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1740 transitions. Word has length 346 [2022-11-03 02:47:06,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:06,274 INFO L495 AbstractCegarLoop]: Abstraction has 1315 states and 1740 transitions. [2022-11-03 02:47:06,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1740 transitions. [2022-11-03 02:47:06,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:47:06,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:06,277 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:47:06,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (64)] Forceful destruction successful, exit code 0 [2022-11-03 02:47:06,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:47:06,478 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:47:06,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:06,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1376917631, now seen corresponding path program 1 times [2022-11-03 02:47:06,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:47:06,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865773119] [2022-11-03 02:47:06,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:06,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:47:06,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:47:06,482 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:47:06,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (65)] Waiting until timeout for monitored process [2022-11-03 02:47:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:07,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:47:07,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:08,652 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:47:08,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:47:08,653 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:47:08,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865773119] [2022-11-03 02:47:08,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865773119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:08,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:47:08,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:47:08,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377504038] [2022-11-03 02:47:08,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:08,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:47:08,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:47:08,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:47:08,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:47:08,656 INFO L87 Difference]: Start difference. First operand 1315 states and 1740 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:09,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:09,198 INFO L93 Difference]: Finished difference Result 3320 states and 4390 transitions. [2022-11-03 02:47:09,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:47:09,199 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:47:09,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:09,201 INFO L225 Difference]: With dead ends: 3320 [2022-11-03 02:47:09,201 INFO L226 Difference]: Without dead ends: 2503 [2022-11-03 02:47:09,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:47:09,203 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 584 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 2109 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 76 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:09,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 2109 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 210 Invalid, 0 Unknown, 76 Unchecked, 0.4s Time] [2022-11-03 02:47:09,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2022-11-03 02:47:09,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 1323. [2022-11-03 02:47:09,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1315 states have (on average 1.3224334600760457) internal successors, (1739), 1315 states have internal predecessors, (1739), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:47:09,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1751 transitions. [2022-11-03 02:47:09,282 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1751 transitions. Word has length 346 [2022-11-03 02:47:09,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:09,282 INFO L495 AbstractCegarLoop]: Abstraction has 1323 states and 1751 transitions. [2022-11-03 02:47:09,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1751 transitions. [2022-11-03 02:47:09,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:47:09,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:09,287 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:47:09,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (65)] Ended with exit code 0 [2022-11-03 02:47:09,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:47:09,487 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:47:09,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:09,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1921790205, now seen corresponding path program 1 times [2022-11-03 02:47:09,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:47:09,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640412558] [2022-11-03 02:47:09,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:09,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:47:09,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:47:09,490 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:47:09,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (66)] Waiting until timeout for monitored process [2022-11-03 02:47:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:10,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:47:10,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:47:11,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:47:11,680 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:47:11,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640412558] [2022-11-03 02:47:11,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640412558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:11,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:47:11,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:47:11,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091156509] [2022-11-03 02:47:11,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:11,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:47:11,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:47:11,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:47:11,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:47:11,682 INFO L87 Difference]: Start difference. First operand 1323 states and 1751 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:12,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:12,247 INFO L93 Difference]: Finished difference Result 3541 states and 4716 transitions. [2022-11-03 02:47:12,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:47:12,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:47:12,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:12,250 INFO L225 Difference]: With dead ends: 3541 [2022-11-03 02:47:12,250 INFO L226 Difference]: Without dead ends: 2724 [2022-11-03 02:47:12,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:47:12,252 INFO L413 NwaCegarLoop]: 733 mSDtfsCounter, 641 mSDsluCounter, 2229 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 2962 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 113 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:12,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 2962 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 273 Invalid, 0 Unknown, 113 Unchecked, 0.4s Time] [2022-11-03 02:47:12,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-11-03 02:47:12,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1327. [2022-11-03 02:47:12,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 1319 states have (on average 1.3222137983320696) internal successors, (1744), 1319 states have internal predecessors, (1744), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:47:12,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1756 transitions. [2022-11-03 02:47:12,328 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1756 transitions. Word has length 346 [2022-11-03 02:47:12,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:12,328 INFO L495 AbstractCegarLoop]: Abstraction has 1327 states and 1756 transitions. [2022-11-03 02:47:12,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:12,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1756 transitions. [2022-11-03 02:47:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:47:12,332 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:12,332 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:47:12,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (66)] Forceful destruction successful, exit code 0 [2022-11-03 02:47:12,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:47:12,557 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:47:12,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:12,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1938671493, now seen corresponding path program 1 times [2022-11-03 02:47:12,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:47:12,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172417860] [2022-11-03 02:47:12,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:12,560 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:47:12,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:47:12,562 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:47:12,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (67)] Waiting until timeout for monitored process [2022-11-03 02:47:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:13,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:47:13,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:14,191 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:47:14,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:47:14,191 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:47:14,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1172417860] [2022-11-03 02:47:14,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1172417860] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:14,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:47:14,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:47:14,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088396567] [2022-11-03 02:47:14,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:14,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:47:14,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:47:14,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:47:14,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:47:14,193 INFO L87 Difference]: Start difference. First operand 1327 states and 1756 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:14,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:14,634 INFO L93 Difference]: Finished difference Result 3312 states and 4376 transitions. [2022-11-03 02:47:14,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:47:14,635 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:47:14,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:14,637 INFO L225 Difference]: With dead ends: 3312 [2022-11-03 02:47:14,637 INFO L226 Difference]: Without dead ends: 2495 [2022-11-03 02:47:14,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:47:14,638 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 438 mSDsluCounter, 1877 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 71 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:14,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 2429 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 71 Unchecked, 0.3s Time] [2022-11-03 02:47:14,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2022-11-03 02:47:14,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 1331. [2022-11-03 02:47:14,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1331 states, 1323 states have (on average 1.3219954648526078) internal successors, (1749), 1323 states have internal predecessors, (1749), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:47:14,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1761 transitions. [2022-11-03 02:47:14,701 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1761 transitions. Word has length 346 [2022-11-03 02:47:14,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:14,701 INFO L495 AbstractCegarLoop]: Abstraction has 1331 states and 1761 transitions. [2022-11-03 02:47:14,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:14,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1761 transitions. [2022-11-03 02:47:14,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:47:14,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:14,705 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:47:14,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (67)] Ended with exit code 0 [2022-11-03 02:47:14,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:47:14,925 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:47:14,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:14,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1494462201, now seen corresponding path program 1 times [2022-11-03 02:47:14,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:47:14,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090066430] [2022-11-03 02:47:14,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:14,927 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:47:14,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:47:14,928 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:47:14,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (68)] Waiting until timeout for monitored process [2022-11-03 02:47:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:15,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 02:47:15,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:47:16,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:47:16,521 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:47:16,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090066430] [2022-11-03 02:47:16,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2090066430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:16,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:47:16,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:47:16,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047311165] [2022-11-03 02:47:16,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:16,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:47:16,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:47:16,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:47:16,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:47:16,523 INFO L87 Difference]: Start difference. First operand 1331 states and 1761 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:16,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:16,836 INFO L93 Difference]: Finished difference Result 2152 states and 2869 transitions. [2022-11-03 02:47:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:47:16,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:47:16,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:16,838 INFO L225 Difference]: With dead ends: 2152 [2022-11-03 02:47:16,838 INFO L226 Difference]: Without dead ends: 1335 [2022-11-03 02:47:16,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:47:16,839 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 75 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1630 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 133 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:16,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1630 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 133 Unchecked, 0.2s Time] [2022-11-03 02:47:16,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2022-11-03 02:47:16,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1335. [2022-11-03 02:47:16,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 1327 states have (on average 1.3217784476262247) internal successors, (1754), 1327 states have internal predecessors, (1754), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:47:16,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1766 transitions. [2022-11-03 02:47:16,892 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1766 transitions. Word has length 346 [2022-11-03 02:47:16,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:16,893 INFO L495 AbstractCegarLoop]: Abstraction has 1335 states and 1766 transitions. [2022-11-03 02:47:16,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:16,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1766 transitions. [2022-11-03 02:47:16,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:47:16,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:16,895 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:47:16,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (68)] Forceful destruction successful, exit code 0 [2022-11-03 02:47:17,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:47:17,096 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:47:17,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:17,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1518332809, now seen corresponding path program 1 times [2022-11-03 02:47:17,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:47:17,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984427979] [2022-11-03 02:47:17,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:17,098 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:47:17,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:47:17,099 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:47:17,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (69)] Waiting until timeout for monitored process [2022-11-03 02:47:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:17,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:47:17,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 02:47:18,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:47:18,785 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 02:47:18,797 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:47:18,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984427979] [2022-11-03 02:47:18,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1984427979] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:47:18,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1534938426] [2022-11-03 02:47:18,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:18,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:47:18,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:47:18,801 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:47:18,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2022-11-03 02:47:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:20,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:47:20,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:20,464 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:47:20,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:47:20,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1534938426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:20,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:47:20,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 02:47:20,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328015065] [2022-11-03 02:47:20,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:20,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:47:20,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:47:20,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:47:20,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:47:20,471 INFO L87 Difference]: Start difference. First operand 1335 states and 1766 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:20,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:20,818 INFO L93 Difference]: Finished difference Result 3085 states and 4134 transitions. [2022-11-03 02:47:20,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:47:20,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:47:20,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:20,822 INFO L225 Difference]: With dead ends: 3085 [2022-11-03 02:47:20,822 INFO L226 Difference]: Without dead ends: 2268 [2022-11-03 02:47:20,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:47:20,824 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 1509 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:20,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 1580 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:47:20,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2022-11-03 02:47:20,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 1397. [2022-11-03 02:47:20,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1397 states, 1389 states have (on average 1.323974082073434) internal successors, (1839), 1389 states have internal predecessors, (1839), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:47:20,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1851 transitions. [2022-11-03 02:47:20,903 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1851 transitions. Word has length 346 [2022-11-03 02:47:20,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:20,904 INFO L495 AbstractCegarLoop]: Abstraction has 1397 states and 1851 transitions. [2022-11-03 02:47:20,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:20,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1851 transitions. [2022-11-03 02:47:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:47:20,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:20,907 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:47:20,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (69)] Forceful destruction successful, exit code 0 [2022-11-03 02:47:21,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2022-11-03 02:47:21,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:47:21,321 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:47:21,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:21,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1054631801, now seen corresponding path program 1 times [2022-11-03 02:47:21,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:47:21,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043955834] [2022-11-03 02:47:21,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:21,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:47:21,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:47:21,324 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:47:21,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (71)] Waiting until timeout for monitored process [2022-11-03 02:47:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:22,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:47:22,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 02:47:22,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:47:23,029 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 02:47:23,030 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:47:23,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043955834] [2022-11-03 02:47:23,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1043955834] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:47:23,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [189087602] [2022-11-03 02:47:23,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:23,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:47:23,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:47:23,033 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:47:23,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2022-11-03 02:47:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:24,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:47:24,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:24,744 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:47:24,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:47:24,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [189087602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:24,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:47:24,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 02:47:24,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532750822] [2022-11-03 02:47:24,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:24,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:47:24,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:47:24,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:47:24,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:47:24,747 INFO L87 Difference]: Start difference. First operand 1397 states and 1851 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:25,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:25,114 INFO L93 Difference]: Finished difference Result 3131 states and 4200 transitions. [2022-11-03 02:47:25,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:47:25,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:47:25,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:25,116 INFO L225 Difference]: With dead ends: 3131 [2022-11-03 02:47:25,116 INFO L226 Difference]: Without dead ends: 2282 [2022-11-03 02:47:25,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:47:25,117 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 1498 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:25,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 1589 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:47:25,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2022-11-03 02:47:25,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 1411. [2022-11-03 02:47:25,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1403 states have (on average 1.3250178189593729) internal successors, (1859), 1403 states have internal predecessors, (1859), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:47:25,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 1871 transitions. [2022-11-03 02:47:25,163 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 1871 transitions. Word has length 346 [2022-11-03 02:47:25,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:25,164 INFO L495 AbstractCegarLoop]: Abstraction has 1411 states and 1871 transitions. [2022-11-03 02:47:25,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:47:25,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1871 transitions. [2022-11-03 02:47:25,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:47:25,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:25,166 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:47:25,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2022-11-03 02:47:25,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (71)] Ended with exit code 0 [2022-11-03 02:47:25,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:47:25,567 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:47:25,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:25,567 INFO L85 PathProgramCache]: Analyzing trace with hash 978762245, now seen corresponding path program 1 times [2022-11-03 02:47:25,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:47:25,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938560100] [2022-11-03 02:47:25,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:25,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:47:25,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:47:25,570 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:47:25,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (73)] Waiting until timeout for monitored process [2022-11-03 02:47:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:26,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 02:47:26,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 02:47:27,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:47:31,445 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:47:31,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938560100] [2022-11-03 02:47:31,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [938560100] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:47:31,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [51984926] [2022-11-03 02:47:31,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:31,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:47:31,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:47:31,447 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:47:31,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2022-11-03 02:47:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:32,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 02:47:32,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 02:47:33,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:47:33,774 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 02:47:33,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [51984926] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:47:33,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210638258] [2022-11-03 02:47:33,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:33,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:47:33,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:47:33,782 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:47:33,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2022-11-03 02:47:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:34,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 02:47:34,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:35,077 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 02:47:35,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:47:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 02:47:35,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210638258] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:47:35,561 INFO L184 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2022-11-03 02:47:35,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6, 6, 6] total 14 [2022-11-03 02:47:35,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096473904] [2022-11-03 02:47:35,562 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2022-11-03 02:47:35,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:47:35,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:47:35,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:47:35,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:47:35,564 INFO L87 Difference]: Start difference. First operand 1411 states and 1871 transitions. Second operand has 14 states, 13 states have (on average 48.76923076923077) internal successors, (634), 14 states have internal predecessors, (634), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-03 02:47:38,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:38,036 INFO L93 Difference]: Finished difference Result 2763 states and 3760 transitions. [2022-11-03 02:47:38,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-03 02:47:38,037 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 48.76923076923077) internal successors, (634), 14 states have internal predecessors, (634), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 346 [2022-11-03 02:47:38,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:38,041 INFO L225 Difference]: With dead ends: 2763 [2022-11-03 02:47:38,041 INFO L226 Difference]: Without dead ends: 1900 [2022-11-03 02:47:38,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2073 GetRequests, 2034 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=337, Invalid=1145, Unknown=0, NotChecked=0, Total=1482 [2022-11-03 02:47:38,043 INFO L413 NwaCegarLoop]: 1251 mSDtfsCounter, 1693 mSDsluCounter, 7820 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 9071 SdHoareTripleChecker+Invalid, 2110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 229 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:38,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1693 Valid, 9071 Invalid, 2110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1876 Invalid, 0 Unknown, 229 Unchecked, 1.8s Time] [2022-11-03 02:47:38,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2022-11-03 02:47:38,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1141. [2022-11-03 02:47:38,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1133 states have (on average 1.3300970873786409) internal successors, (1507), 1133 states have internal predecessors, (1507), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 02:47:38,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1519 transitions. [2022-11-03 02:47:38,129 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1519 transitions. Word has length 346 [2022-11-03 02:47:38,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:38,129 INFO L495 AbstractCegarLoop]: Abstraction has 1141 states and 1519 transitions. [2022-11-03 02:47:38,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 48.76923076923077) internal successors, (634), 14 states have internal predecessors, (634), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-03 02:47:38,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1519 transitions. [2022-11-03 02:47:38,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:47:38,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:38,133 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:47:38,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Ended with exit code 0 [2022-11-03 02:47:38,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2022-11-03 02:47:38,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (73)] Ended with exit code 0 [2022-11-03 02:47:38,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:47:38,734 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:47:38,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:38,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1055722625, now seen corresponding path program 1 times [2022-11-03 02:47:38,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:47:38,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409941505] [2022-11-03 02:47:38,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:38,737 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:47:38,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:47:38,756 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:47:38,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (76)] Waiting until timeout for monitored process [2022-11-03 02:47:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:39,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:47:39,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:40,482 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 02:47:40,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:47:40,522 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:47:40,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409941505] [2022-11-03 02:47:40,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409941505] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:47:40,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2113373100] [2022-11-03 02:47:40,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:40,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:47:40,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:47:40,525 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:47:40,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2022-11-03 02:47:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:42,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-03 02:47:42,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 02:47:43,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:47:44,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2113373100] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:47:44,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613937285] [2022-11-03 02:47:44,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:44,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:47:44,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:47:44,121 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:47:44,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2022-11-03 02:47:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:44,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-03 02:47:44,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:47:46,428 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 02:47:46,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:47:47,230 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 02:47:47,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613937285] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:47:47,230 INFO L184 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2022-11-03 02:47:47,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 8, 8] total 28 [2022-11-03 02:47:47,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891459362] [2022-11-03 02:47:47,231 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2022-11-03 02:47:47,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-03 02:47:47,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:47:47,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-03 02:47:47,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1099, Unknown=0, NotChecked=0, Total=1190 [2022-11-03 02:47:47,233 INFO L87 Difference]: Start difference. First operand 1141 states and 1519 transitions. Second operand has 28 states, 28 states have (on average 40.107142857142854) internal successors, (1123), 28 states have internal predecessors, (1123), 8 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2022-11-03 02:47:58,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:58,885 INFO L93 Difference]: Finished difference Result 6177 states and 8626 transitions. [2022-11-03 02:47:58,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-03 02:47:58,885 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 40.107142857142854) internal successors, (1123), 28 states have internal predecessors, (1123), 8 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) Word has length 346 [2022-11-03 02:47:58,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:58,892 INFO L225 Difference]: With dead ends: 6177 [2022-11-03 02:47:58,892 INFO L226 Difference]: Without dead ends: 5732 [2022-11-03 02:47:58,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1614 GetRequests, 1499 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2848 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=2600, Invalid=10972, Unknown=0, NotChecked=0, Total=13572 [2022-11-03 02:47:58,898 INFO L413 NwaCegarLoop]: 2515 mSDtfsCounter, 6356 mSDsluCounter, 38673 mSDsCounter, 0 mSdLazyCounter, 6968 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6356 SdHoareTripleChecker+Valid, 41188 SdHoareTripleChecker+Invalid, 8587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 6968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1348 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:58,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6356 Valid, 41188 Invalid, 8587 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [271 Valid, 6968 Invalid, 0 Unknown, 1348 Unchecked, 6.8s Time] [2022-11-03 02:47:58,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5732 states. [2022-11-03 02:47:59,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5732 to 1492. [2022-11-03 02:47:59,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1475 states have (on average 1.343050847457627) internal successors, (1981), 1475 states have internal predecessors, (1981), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:47:59,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2011 transitions. [2022-11-03 02:47:59,109 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 2011 transitions. Word has length 346 [2022-11-03 02:47:59,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:59,110 INFO L495 AbstractCegarLoop]: Abstraction has 1492 states and 2011 transitions. [2022-11-03 02:47:59,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 40.107142857142854) internal successors, (1123), 28 states have internal predecessors, (1123), 8 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2022-11-03 02:47:59,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2011 transitions. [2022-11-03 02:47:59,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:47:59,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:59,112 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:47:59,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (76)] Forceful destruction successful, exit code 0 [2022-11-03 02:47:59,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Forceful destruction successful, exit code 0 [2022-11-03 02:47:59,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2022-11-03 02:47:59,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 76 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,78 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,77 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:47:59,713 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:47:59,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:59,714 INFO L85 PathProgramCache]: Analyzing trace with hash 277086841, now seen corresponding path program 1 times [2022-11-03 02:47:59,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:47:59,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [461137104] [2022-11-03 02:47:59,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:59,715 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:47:59,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:47:59,716 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:47:59,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (79)] Waiting until timeout for monitored process [2022-11-03 02:48:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:00,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:00,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 02:48:00,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 02:48:01,405 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:01,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [461137104] [2022-11-03 02:48:01,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [461137104] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:01,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1057763122] [2022-11-03 02:48:01,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:01,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:01,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:01,406 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:01,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2022-11-03 02:48:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:02,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:48:02,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:03,159 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:48:03,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:03,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1057763122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:03,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:48:03,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 02:48:03,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117840967] [2022-11-03 02:48:03,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:03,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:03,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:48:03,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:03,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:48:03,162 INFO L87 Difference]: Start difference. First operand 1492 states and 2011 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:03,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:03,625 INFO L93 Difference]: Finished difference Result 2578 states and 3533 transitions. [2022-11-03 02:48:03,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:03,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:48:03,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:03,628 INFO L225 Difference]: With dead ends: 2578 [2022-11-03 02:48:03,628 INFO L226 Difference]: Without dead ends: 1908 [2022-11-03 02:48:03,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:48:03,629 INFO L413 NwaCegarLoop]: 608 mSDtfsCounter, 1203 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:03,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 1558 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:48:03,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-11-03 02:48:03,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1484. [2022-11-03 02:48:03,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3421949556918882) internal successors, (1969), 1467 states have internal predecessors, (1969), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:48:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1999 transitions. [2022-11-03 02:48:03,811 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1999 transitions. Word has length 346 [2022-11-03 02:48:03,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:03,812 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1999 transitions. [2022-11-03 02:48:03,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:03,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1999 transitions. [2022-11-03 02:48:03,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:48:03,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:03,815 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:03,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2022-11-03 02:48:04,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (79)] Ended with exit code 0 [2022-11-03 02:48:04,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 80 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,79 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:48:04,216 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:04,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:04,216 INFO L85 PathProgramCache]: Analyzing trace with hash 243805713, now seen corresponding path program 1 times [2022-11-03 02:48:04,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:48:04,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2060608349] [2022-11-03 02:48:04,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:04,218 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:48:04,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:48:04,219 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:48:04,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (81)] Waiting until timeout for monitored process [2022-11-03 02:48:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:05,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:05,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:05,204 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:48:05,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:05,397 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:48:05,398 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:05,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2060608349] [2022-11-03 02:48:05,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2060608349] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:05,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1531150679] [2022-11-03 02:48:05,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:05,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:05,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:05,401 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:05,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2022-11-03 02:48:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:06,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:48:06,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:06,990 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:48:06,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:06,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1531150679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:06,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:48:06,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:48:06,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312683262] [2022-11-03 02:48:06,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:06,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:06,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:48:06,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:06,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:48:06,993 INFO L87 Difference]: Start difference. First operand 1484 states and 1999 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:07,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:07,487 INFO L93 Difference]: Finished difference Result 2780 states and 3770 transitions. [2022-11-03 02:48:07,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:07,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:48:07,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:07,491 INFO L225 Difference]: With dead ends: 2780 [2022-11-03 02:48:07,491 INFO L226 Difference]: Without dead ends: 1862 [2022-11-03 02:48:07,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:48:07,493 INFO L413 NwaCegarLoop]: 915 mSDtfsCounter, 965 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 968 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:07,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [968 Valid, 1861 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:48:07,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2022-11-03 02:48:07,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1484. [2022-11-03 02:48:07,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3408316291751874) internal successors, (1967), 1467 states have internal predecessors, (1967), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:48:07,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1997 transitions. [2022-11-03 02:48:07,689 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1997 transitions. Word has length 346 [2022-11-03 02:48:07,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:07,689 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1997 transitions. [2022-11-03 02:48:07,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1997 transitions. [2022-11-03 02:48:07,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:48:07,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:07,692 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:07,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (81)] Ended with exit code 0 [2022-11-03 02:48:07,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2022-11-03 02:48:08,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,82 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:08,092 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:08,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:08,093 INFO L85 PathProgramCache]: Analyzing trace with hash 16584723, now seen corresponding path program 1 times [2022-11-03 02:48:08,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:48:08,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850035861] [2022-11-03 02:48:08,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:08,095 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:48:08,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:48:08,096 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:48:08,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (83)] Waiting until timeout for monitored process [2022-11-03 02:48:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:09,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:09,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:09,112 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:48:09,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:09,290 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:48:09,290 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:09,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850035861] [2022-11-03 02:48:09,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850035861] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:09,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1109452187] [2022-11-03 02:48:09,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:09,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:09,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:09,293 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:09,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2022-11-03 02:48:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:10,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:48:10,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:10,898 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:48:10,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:10,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1109452187] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:10,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:48:10,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:48:10,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081688419] [2022-11-03 02:48:10,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:10,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:10,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:48:10,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:10,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:48:10,900 INFO L87 Difference]: Start difference. First operand 1484 states and 1997 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:11,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:11,365 INFO L93 Difference]: Finished difference Result 2763 states and 3745 transitions. [2022-11-03 02:48:11,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:11,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:48:11,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:11,367 INFO L225 Difference]: With dead ends: 2763 [2022-11-03 02:48:11,367 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:48:11,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:48:11,368 INFO L413 NwaCegarLoop]: 914 mSDtfsCounter, 955 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:11,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [958 Valid, 1860 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:48:11,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:48:11,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:48:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.338104976141786) internal successors, (1963), 1467 states have internal predecessors, (1963), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:48:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1993 transitions. [2022-11-03 02:48:11,506 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1993 transitions. Word has length 346 [2022-11-03 02:48:11,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:11,506 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1993 transitions. [2022-11-03 02:48:11,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:11,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1993 transitions. [2022-11-03 02:48:11,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:48:11,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:11,510 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:11,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2022-11-03 02:48:11,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (83)] Ended with exit code 0 [2022-11-03 02:48:11,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 84 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,83 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:48:11,911 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:11,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:11,911 INFO L85 PathProgramCache]: Analyzing trace with hash -382921707, now seen corresponding path program 1 times [2022-11-03 02:48:11,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:48:11,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682619628] [2022-11-03 02:48:11,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:11,913 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:48:11,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:48:11,914 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:48:11,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (85)] Waiting until timeout for monitored process [2022-11-03 02:48:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:12,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:12,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:48:12,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:13,099 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:48:13,099 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:13,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682619628] [2022-11-03 02:48:13,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [682619628] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:13,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1526989201] [2022-11-03 02:48:13,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:13,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:13,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:13,101 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:13,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2022-11-03 02:48:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:14,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:48:14,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:14,718 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:48:14,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:14,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1526989201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:14,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:48:14,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:48:14,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897622232] [2022-11-03 02:48:14,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:14,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:14,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:48:14,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:14,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:48:14,720 INFO L87 Difference]: Start difference. First operand 1484 states and 1993 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:15,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:15,232 INFO L93 Difference]: Finished difference Result 2755 states and 3728 transitions. [2022-11-03 02:48:15,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:15,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:48:15,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:15,234 INFO L225 Difference]: With dead ends: 2755 [2022-11-03 02:48:15,234 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:48:15,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:48:15,236 INFO L413 NwaCegarLoop]: 912 mSDtfsCounter, 949 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:15,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 1857 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:48:15,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:48:15,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:48:15,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3353783231083844) internal successors, (1959), 1467 states have internal predecessors, (1959), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:48:15,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1989 transitions. [2022-11-03 02:48:15,413 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1989 transitions. Word has length 346 [2022-11-03 02:48:15,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:15,413 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1989 transitions. [2022-11-03 02:48:15,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:15,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1989 transitions. [2022-11-03 02:48:15,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:48:15,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:15,417 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:15,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2022-11-03 02:48:15,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (85)] Ended with exit code 0 [2022-11-03 02:48:15,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 86 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,85 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:48:15,818 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:15,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:15,818 INFO L85 PathProgramCache]: Analyzing trace with hash 913533207, now seen corresponding path program 1 times [2022-11-03 02:48:15,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:48:15,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1165385420] [2022-11-03 02:48:15,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:15,820 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:48:15,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:48:15,821 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:48:15,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (87)] Waiting until timeout for monitored process [2022-11-03 02:48:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:16,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:16,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:48:16,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:48:16,982 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:16,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1165385420] [2022-11-03 02:48:16,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1165385420] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:16,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [127444472] [2022-11-03 02:48:16,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:16,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:16,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:16,984 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:16,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2022-11-03 02:48:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:18,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:48:18,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:48:18,592 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:18,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [127444472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:18,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:48:18,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:48:18,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233622333] [2022-11-03 02:48:18,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:18,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:18,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:48:18,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:18,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:48:18,594 INFO L87 Difference]: Start difference. First operand 1484 states and 1989 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:19,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:19,179 INFO L93 Difference]: Finished difference Result 2747 states and 3711 transitions. [2022-11-03 02:48:19,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:19,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:48:19,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:19,181 INFO L225 Difference]: With dead ends: 2747 [2022-11-03 02:48:19,181 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:48:19,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:48:19,182 INFO L413 NwaCegarLoop]: 910 mSDtfsCounter, 943 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:19,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 1854 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:48:19,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:48:19,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:48:19,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3326516700749829) internal successors, (1955), 1467 states have internal predecessors, (1955), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:48:19,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1985 transitions. [2022-11-03 02:48:19,314 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1985 transitions. Word has length 346 [2022-11-03 02:48:19,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:19,314 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1985 transitions. [2022-11-03 02:48:19,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:19,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1985 transitions. [2022-11-03 02:48:19,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:48:19,317 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:19,317 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:19,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (87)] Forceful destruction successful, exit code 0 [2022-11-03 02:48:19,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2022-11-03 02:48:19,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,88 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:19,717 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:19,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:19,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1252036377, now seen corresponding path program 1 times [2022-11-03 02:48:19,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:48:19,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81500932] [2022-11-03 02:48:19,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:19,719 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:48:19,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:48:19,720 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:48:19,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (89)] Waiting until timeout for monitored process [2022-11-03 02:48:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:20,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:20,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:20,669 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:48:20,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:48:20,866 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:20,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81500932] [2022-11-03 02:48:20,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [81500932] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:20,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [532321180] [2022-11-03 02:48:20,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:20,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:20,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:20,870 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:20,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2022-11-03 02:48:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:22,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:48:22,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:22,481 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:48:22,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:22,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [532321180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:22,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:48:22,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:48:22,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441769927] [2022-11-03 02:48:22,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:22,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:22,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:48:22,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:22,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:48:22,483 INFO L87 Difference]: Start difference. First operand 1484 states and 1985 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:22,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:22,913 INFO L93 Difference]: Finished difference Result 2739 states and 3691 transitions. [2022-11-03 02:48:22,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:22,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:48:22,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:22,916 INFO L225 Difference]: With dead ends: 2739 [2022-11-03 02:48:22,916 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:48:22,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:48:22,917 INFO L413 NwaCegarLoop]: 909 mSDtfsCounter, 937 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:22,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [940 Valid, 1854 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:48:22,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:48:23,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:48:23,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3299250170415815) internal successors, (1951), 1467 states have internal predecessors, (1951), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:48:23,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1981 transitions. [2022-11-03 02:48:23,072 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1981 transitions. Word has length 346 [2022-11-03 02:48:23,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:23,072 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1981 transitions. [2022-11-03 02:48:23,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:23,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1981 transitions. [2022-11-03 02:48:23,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:48:23,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:23,074 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:23,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (89)] Ended with exit code 0 [2022-11-03 02:48:23,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2022-11-03 02:48:23,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 89 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,90 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:23,475 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:23,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:23,475 INFO L85 PathProgramCache]: Analyzing trace with hash 63243803, now seen corresponding path program 1 times [2022-11-03 02:48:23,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:48:23,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349763338] [2022-11-03 02:48:23,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:23,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:48:23,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:48:23,477 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:48:23,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (91)] Waiting until timeout for monitored process [2022-11-03 02:48:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:24,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:24,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:24,465 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:48:24,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:48:24,651 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:24,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349763338] [2022-11-03 02:48:24,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1349763338] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:24,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2007643857] [2022-11-03 02:48:24,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:24,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:24,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:24,652 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:24,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2022-11-03 02:48:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:26,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:48:26,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:48:26,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:26,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2007643857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:26,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:48:26,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:48:26,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993814891] [2022-11-03 02:48:26,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:26,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:26,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:48:26,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:26,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:48:26,385 INFO L87 Difference]: Start difference. First operand 1484 states and 1981 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:26,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:26,836 INFO L93 Difference]: Finished difference Result 2731 states and 3674 transitions. [2022-11-03 02:48:26,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:26,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:48:26,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:26,838 INFO L225 Difference]: With dead ends: 2731 [2022-11-03 02:48:26,838 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:48:26,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:48:26,839 INFO L413 NwaCegarLoop]: 906 mSDtfsCounter, 931 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:26,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 1848 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:48:26,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:48:27,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:48:27,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.32719836400818) internal successors, (1947), 1467 states have internal predecessors, (1947), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:48:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1977 transitions. [2022-11-03 02:48:27,030 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1977 transitions. Word has length 346 [2022-11-03 02:48:27,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:27,031 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1977 transitions. [2022-11-03 02:48:27,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:27,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1977 transitions. [2022-11-03 02:48:27,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:48:27,033 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:27,033 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:27,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (91)] Forceful destruction successful, exit code 0 [2022-11-03 02:48:27,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2022-11-03 02:48:27,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 91 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,92 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:27,434 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:27,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:27,434 INFO L85 PathProgramCache]: Analyzing trace with hash -600748515, now seen corresponding path program 1 times [2022-11-03 02:48:27,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:48:27,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [263827356] [2022-11-03 02:48:27,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:27,436 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:48:27,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:48:27,437 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:48:27,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (93)] Waiting until timeout for monitored process [2022-11-03 02:48:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:28,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:28,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:28,431 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:48:28,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:28,603 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:48:28,603 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:28,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [263827356] [2022-11-03 02:48:28,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [263827356] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:28,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [532183960] [2022-11-03 02:48:28,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:28,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:28,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:28,605 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:28,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2022-11-03 02:48:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:30,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:48:30,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:30,252 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:48:30,253 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:30,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [532183960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:30,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:48:30,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:48:30,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199061869] [2022-11-03 02:48:30,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:30,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:30,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:48:30,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:30,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:48:30,255 INFO L87 Difference]: Start difference. First operand 1484 states and 1977 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:30,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:30,704 INFO L93 Difference]: Finished difference Result 2723 states and 3657 transitions. [2022-11-03 02:48:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:30,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:48:30,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:30,707 INFO L225 Difference]: With dead ends: 2723 [2022-11-03 02:48:30,707 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:48:30,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:48:30,709 INFO L413 NwaCegarLoop]: 905 mSDtfsCounter, 925 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:30,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1848 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:48:30,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:48:30,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:48:30,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3244717109747786) internal successors, (1943), 1467 states have internal predecessors, (1943), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:48:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1973 transitions. [2022-11-03 02:48:30,923 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1973 transitions. Word has length 346 [2022-11-03 02:48:30,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:30,923 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1973 transitions. [2022-11-03 02:48:30,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:30,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1973 transitions. [2022-11-03 02:48:30,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:48:30,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:30,931 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:30,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2022-11-03 02:48:31,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (93)] Forceful destruction successful, exit code 0 [2022-11-03 02:48:31,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,93 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:48:31,345 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:31,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:31,346 INFO L85 PathProgramCache]: Analyzing trace with hash 175499039, now seen corresponding path program 1 times [2022-11-03 02:48:31,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:48:31,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674468486] [2022-11-03 02:48:31,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:31,347 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:48:31,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:48:31,348 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:48:31,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (95)] Waiting until timeout for monitored process [2022-11-03 02:48:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:32,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:32,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:32,349 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:48:32,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:48:32,521 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:32,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674468486] [2022-11-03 02:48:32,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1674468486] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:32,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1308370516] [2022-11-03 02:48:32,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:32,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:32,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:32,523 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:32,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2022-11-03 02:48:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:33,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:48:33,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:34,150 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:48:34,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:34,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1308370516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:34,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:48:34,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:48:34,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002194029] [2022-11-03 02:48:34,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:34,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:34,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:48:34,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:34,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:48:34,152 INFO L87 Difference]: Start difference. First operand 1484 states and 1973 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:34,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:34,595 INFO L93 Difference]: Finished difference Result 2715 states and 3640 transitions. [2022-11-03 02:48:34,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:34,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:48:34,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:34,598 INFO L225 Difference]: With dead ends: 2715 [2022-11-03 02:48:34,598 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:48:34,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:48:34,599 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 919 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 1842 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:34,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 1842 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:48:34,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:48:34,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:48:34,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.321745057941377) internal successors, (1939), 1467 states have internal predecessors, (1939), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:48:34,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1969 transitions. [2022-11-03 02:48:34,712 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1969 transitions. Word has length 346 [2022-11-03 02:48:34,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:34,713 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1969 transitions. [2022-11-03 02:48:34,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:34,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1969 transitions. [2022-11-03 02:48:34,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:48:34,715 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:34,715 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:34,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (95)] Forceful destruction successful, exit code 0 [2022-11-03 02:48:34,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2022-11-03 02:48:35,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 95 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,96 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:35,116 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:35,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:35,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1587326687, now seen corresponding path program 1 times [2022-11-03 02:48:35,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:48:35,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11549389] [2022-11-03 02:48:35,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:35,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:48:35,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:48:35,119 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:48:35,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (97)] Waiting until timeout for monitored process [2022-11-03 02:48:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:35,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:36,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:36,097 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:48:36,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:48:36,273 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:36,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11549389] [2022-11-03 02:48:36,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [11549389] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:36,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [984737570] [2022-11-03 02:48:36,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:36,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:36,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:36,275 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:36,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2022-11-03 02:48:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:37,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:48:37,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:37,960 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:48:37,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:37,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [984737570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:37,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:48:37,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:48:37,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018233610] [2022-11-03 02:48:37,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:37,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:37,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:48:37,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:37,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:48:37,963 INFO L87 Difference]: Start difference. First operand 1484 states and 1969 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:38,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:38,397 INFO L93 Difference]: Finished difference Result 2699 states and 3616 transitions. [2022-11-03 02:48:38,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:38,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:48:38,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:38,399 INFO L225 Difference]: With dead ends: 2699 [2022-11-03 02:48:38,399 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:48:38,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:48:38,400 INFO L413 NwaCegarLoop]: 901 mSDtfsCounter, 909 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 1841 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:38,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 1841 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:48:38,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:48:38,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:48:38,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3190184049079754) internal successors, (1935), 1467 states have internal predecessors, (1935), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:48:38,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1965 transitions. [2022-11-03 02:48:38,541 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1965 transitions. Word has length 346 [2022-11-03 02:48:38,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:38,542 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1965 transitions. [2022-11-03 02:48:38,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:38,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1965 transitions. [2022-11-03 02:48:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:48:38,544 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:38,544 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:38,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (97)] Ended with exit code 0 [2022-11-03 02:48:38,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2022-11-03 02:48:38,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,98 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:38,945 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:38,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:38,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1393810723, now seen corresponding path program 1 times [2022-11-03 02:48:38,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:48:38,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913032301] [2022-11-03 02:48:38,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:38,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:48:38,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:48:38,948 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:48:38,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (99)] Waiting until timeout for monitored process [2022-11-03 02:48:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:39,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:39,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:39,949 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:48:39,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:40,122 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:48:40,122 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:40,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913032301] [2022-11-03 02:48:40,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913032301] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:40,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [492986560] [2022-11-03 02:48:40,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:40,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:40,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:40,123 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:40,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2022-11-03 02:48:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:41,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:48:41,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:41,758 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:48:41,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:41,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [492986560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:41,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:48:41,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:48:41,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101288309] [2022-11-03 02:48:41,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:41,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:41,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:48:41,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:41,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:48:41,759 INFO L87 Difference]: Start difference. First operand 1484 states and 1965 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:42,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:42,190 INFO L93 Difference]: Finished difference Result 2691 states and 3599 transitions. [2022-11-03 02:48:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:42,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:48:42,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:42,194 INFO L225 Difference]: With dead ends: 2691 [2022-11-03 02:48:42,194 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:48:42,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:48:42,196 INFO L413 NwaCegarLoop]: 899 mSDtfsCounter, 903 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:42,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 1838 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:48:42,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:48:42,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:48:42,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.316291751874574) internal successors, (1931), 1467 states have internal predecessors, (1931), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:48:42,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1961 transitions. [2022-11-03 02:48:42,446 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1961 transitions. Word has length 346 [2022-11-03 02:48:42,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:42,447 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1961 transitions. [2022-11-03 02:48:42,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1961 transitions. [2022-11-03 02:48:42,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:48:42,450 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:42,451 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:42,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2022-11-03 02:48:42,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (99)] Forceful destruction successful, exit code 0 [2022-11-03 02:48:42,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,99 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:48:42,857 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:42,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:42,858 INFO L85 PathProgramCache]: Analyzing trace with hash 257866277, now seen corresponding path program 1 times [2022-11-03 02:48:42,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:48:42,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321497870] [2022-11-03 02:48:42,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:42,859 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:48:42,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:48:42,860 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:48:42,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (101)] Waiting until timeout for monitored process [2022-11-03 02:48:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:43,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:43,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:43,820 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:48:43,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:43,995 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:48:43,996 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:43,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1321497870] [2022-11-03 02:48:43,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1321497870] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:43,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1230396048] [2022-11-03 02:48:43,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:43,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:43,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:43,997 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:43,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2022-11-03 02:48:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:45,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:48:45,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:45,645 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:48:45,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:45,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1230396048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:45,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:48:45,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:48:45,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088647941] [2022-11-03 02:48:45,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:45,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:45,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:48:45,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:45,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:48:45,647 INFO L87 Difference]: Start difference. First operand 1484 states and 1961 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:46,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:46,162 INFO L93 Difference]: Finished difference Result 2683 states and 3582 transitions. [2022-11-03 02:48:46,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:46,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:48:46,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:46,165 INFO L225 Difference]: With dead ends: 2683 [2022-11-03 02:48:46,165 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:48:46,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:48:46,166 INFO L413 NwaCegarLoop]: 898 mSDtfsCounter, 897 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:46,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [900 Valid, 1838 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:48:46,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:48:46,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:48:46,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3135650988411725) internal successors, (1927), 1467 states have internal predecessors, (1927), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:48:46,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1957 transitions. [2022-11-03 02:48:46,366 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1957 transitions. Word has length 346 [2022-11-03 02:48:46,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:46,366 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1957 transitions. [2022-11-03 02:48:46,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:46,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1957 transitions. [2022-11-03 02:48:46,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:48:46,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:46,370 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:46,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (102)] Forceful destruction successful, exit code 0 [2022-11-03 02:48:46,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (101)] Ended with exit code 0 [2022-11-03 02:48:46,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,101 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:48:46,784 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:46,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:46,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1709938649, now seen corresponding path program 1 times [2022-11-03 02:48:46,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:48:46,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273571693] [2022-11-03 02:48:46,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:46,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:48:46,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:48:46,787 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:48:46,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (103)] Waiting until timeout for monitored process [2022-11-03 02:48:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:47,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:47,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:48:47,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:47,924 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:48:47,925 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:47,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273571693] [2022-11-03 02:48:47,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273571693] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:47,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [571340757] [2022-11-03 02:48:47,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:47,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:47,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:47,926 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:47,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2022-11-03 02:48:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:49,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:48:49,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:49,633 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:48:49,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:49,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [571340757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:49,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:48:49,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:48:49,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650300708] [2022-11-03 02:48:49,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:49,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:49,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:48:49,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:49,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:48:49,635 INFO L87 Difference]: Start difference. First operand 1484 states and 1957 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:50,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:50,123 INFO L93 Difference]: Finished difference Result 2675 states and 3562 transitions. [2022-11-03 02:48:50,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:50,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:48:50,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:50,125 INFO L225 Difference]: With dead ends: 2675 [2022-11-03 02:48:50,125 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:48:50,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:48:50,126 INFO L413 NwaCegarLoop]: 895 mSDtfsCounter, 891 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:50,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 1832 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:48:50,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:48:50,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:48:50,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3108384458077709) internal successors, (1923), 1467 states have internal predecessors, (1923), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:48:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1953 transitions. [2022-11-03 02:48:50,246 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1953 transitions. Word has length 346 [2022-11-03 02:48:50,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:50,246 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1953 transitions. [2022-11-03 02:48:50,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:50,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1953 transitions. [2022-11-03 02:48:50,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:48:50,249 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:50,250 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:50,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (103)] Forceful destruction successful, exit code 0 [2022-11-03 02:48:50,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2022-11-03 02:48:50,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 103 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,104 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:50,665 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:50,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:50,665 INFO L85 PathProgramCache]: Analyzing trace with hash 860186409, now seen corresponding path program 1 times [2022-11-03 02:48:50,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:48:50,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594866040] [2022-11-03 02:48:50,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:50,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:48:50,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:48:50,668 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:48:50,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (105)] Waiting until timeout for monitored process [2022-11-03 02:48:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:51,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:51,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:51,651 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:48:51,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:51,825 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:48:51,825 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:51,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594866040] [2022-11-03 02:48:51,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594866040] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:51,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1694986960] [2022-11-03 02:48:51,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:51,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:51,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:51,827 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:51,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2022-11-03 02:48:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:53,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:48:53,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:53,595 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:48:53,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:53,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1694986960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:53,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:48:53,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:48:53,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980471964] [2022-11-03 02:48:53,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:53,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:53,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:48:53,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:53,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:48:53,597 INFO L87 Difference]: Start difference. First operand 1484 states and 1953 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:54,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:54,044 INFO L93 Difference]: Finished difference Result 2667 states and 3545 transitions. [2022-11-03 02:48:54,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:54,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:48:54,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:54,049 INFO L225 Difference]: With dead ends: 2667 [2022-11-03 02:48:54,050 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:48:54,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:48:54,051 INFO L413 NwaCegarLoop]: 893 mSDtfsCounter, 885 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:54,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [888 Valid, 1829 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:48:54,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:48:54,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:48:54,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3081117927743695) internal successors, (1919), 1467 states have internal predecessors, (1919), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:48:54,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1949 transitions. [2022-11-03 02:48:54,176 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1949 transitions. Word has length 346 [2022-11-03 02:48:54,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:54,176 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1949 transitions. [2022-11-03 02:48:54,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:54,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1949 transitions. [2022-11-03 02:48:54,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:48:54,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:54,179 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:54,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (105)] Ended with exit code 0 [2022-11-03 02:48:54,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2022-11-03 02:48:54,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 105 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,106 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:54,579 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:54,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:54,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1220397269, now seen corresponding path program 1 times [2022-11-03 02:48:54,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:48:54,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1958787128] [2022-11-03 02:48:54,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:54,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:48:54,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:48:54,583 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:48:54,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (107)] Waiting until timeout for monitored process [2022-11-03 02:48:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:55,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:55,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:55,646 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:48:55,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:55,837 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:48:55,838 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:55,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1958787128] [2022-11-03 02:48:55,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1958787128] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:55,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [850517986] [2022-11-03 02:48:55,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:55,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:55,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:55,841 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:55,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2022-11-03 02:48:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:57,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:48:57,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:57,572 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:48:57,572 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:48:57,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [850517986] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:57,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:48:57,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:48:57,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268271640] [2022-11-03 02:48:57,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:57,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:48:57,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:48:57,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:48:57,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:48:57,574 INFO L87 Difference]: Start difference. First operand 1484 states and 1949 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:58,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:58,046 INFO L93 Difference]: Finished difference Result 2659 states and 3528 transitions. [2022-11-03 02:48:58,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:58,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:48:58,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:58,049 INFO L225 Difference]: With dead ends: 2659 [2022-11-03 02:48:58,049 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:48:58,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:48:58,050 INFO L413 NwaCegarLoop]: 891 mSDtfsCounter, 879 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:58,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 1826 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:48:58,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:48:58,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:48:58,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.305385139740968) internal successors, (1915), 1467 states have internal predecessors, (1915), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:48:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1945 transitions. [2022-11-03 02:48:58,218 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1945 transitions. Word has length 346 [2022-11-03 02:48:58,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:58,218 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1945 transitions. [2022-11-03 02:48:58,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:48:58,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1945 transitions. [2022-11-03 02:48:58,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:48:58,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:58,221 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:48:58,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (107)] Forceful destruction successful, exit code 0 [2022-11-03 02:48:58,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2022-11-03 02:48:58,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 107 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,108 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:58,622 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:58,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:58,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1097115603, now seen corresponding path program 1 times [2022-11-03 02:48:58,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:48:58,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1870572426] [2022-11-03 02:48:58,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:58,623 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:48:58,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:48:58,624 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:48:58,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (109)] Waiting until timeout for monitored process [2022-11-03 02:48:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:59,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:48:59,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:48:59,661 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:48:59,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:48:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:48:59,843 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:48:59,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1870572426] [2022-11-03 02:48:59,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1870572426] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:48:59,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [683409910] [2022-11-03 02:48:59,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:59,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:48:59,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:48:59,845 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:48:59,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2022-11-03 02:49:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:01,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:49:01,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:01,604 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:49:01,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:01,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [683409910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:01,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:49:01,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:49:01,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294502257] [2022-11-03 02:49:01,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:01,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:01,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:01,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:01,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:49:01,607 INFO L87 Difference]: Start difference. First operand 1484 states and 1945 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:02,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:02,070 INFO L93 Difference]: Finished difference Result 2651 states and 3511 transitions. [2022-11-03 02:49:02,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:02,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:49:02,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:02,072 INFO L225 Difference]: With dead ends: 2651 [2022-11-03 02:49:02,073 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:49:02,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:49:02,074 INFO L413 NwaCegarLoop]: 890 mSDtfsCounter, 873 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:02,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 1826 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:49:02,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:49:02,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:49:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3026584867075666) internal successors, (1911), 1467 states have internal predecessors, (1911), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:49:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1941 transitions. [2022-11-03 02:49:02,316 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1941 transitions. Word has length 346 [2022-11-03 02:49:02,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:02,316 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1941 transitions. [2022-11-03 02:49:02,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:02,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1941 transitions. [2022-11-03 02:49:02,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:49:02,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:02,320 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:02,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (109)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:02,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:02,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 109 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,110 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:02,725 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:02,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:02,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1105114577, now seen corresponding path program 1 times [2022-11-03 02:49:02,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:02,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593117164] [2022-11-03 02:49:02,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:02,727 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:02,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:02,728 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:02,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (111)] Waiting until timeout for monitored process [2022-11-03 02:49:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:03,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:49:03,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:03,723 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:49:03,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:03,886 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:49:03,886 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:03,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593117164] [2022-11-03 02:49:03,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1593117164] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:03,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [567353735] [2022-11-03 02:49:03,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:03,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:03,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:49:03,888 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:49:03,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2022-11-03 02:49:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:05,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:49:05,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:05,638 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:49:05,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:05,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [567353735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:05,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:49:05,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:49:05,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144298382] [2022-11-03 02:49:05,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:05,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:05,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:05,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:05,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:49:05,640 INFO L87 Difference]: Start difference. First operand 1484 states and 1941 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:06,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:06,212 INFO L93 Difference]: Finished difference Result 2635 states and 3487 transitions. [2022-11-03 02:49:06,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:06,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:49:06,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:06,216 INFO L225 Difference]: With dead ends: 2635 [2022-11-03 02:49:06,216 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:49:06,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:49:06,218 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 863 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:06,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 1825 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:49:06,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:49:06,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:49:06,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.299931833674165) internal successors, (1907), 1467 states have internal predecessors, (1907), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:49:06,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1937 transitions. [2022-11-03 02:49:06,404 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1937 transitions. Word has length 346 [2022-11-03 02:49:06,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:06,405 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1937 transitions. [2022-11-03 02:49:06,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:06,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1937 transitions. [2022-11-03 02:49:06,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:49:06,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:06,407 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:06,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (111)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:06,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2022-11-03 02:49:06,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 111 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,112 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:06,808 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:06,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:06,809 INFO L85 PathProgramCache]: Analyzing trace with hash 494034481, now seen corresponding path program 1 times [2022-11-03 02:49:06,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:06,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852896112] [2022-11-03 02:49:06,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:06,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:06,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:06,811 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:06,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (113)] Waiting until timeout for monitored process [2022-11-03 02:49:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:07,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:49:07,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:07,833 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:49:07,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:08,010 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:49:08,010 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:08,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852896112] [2022-11-03 02:49:08,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852896112] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:08,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1540950420] [2022-11-03 02:49:08,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:08,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:08,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:49:08,012 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:49:08,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2022-11-03 02:49:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:09,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:49:09,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:49:09,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:09,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1540950420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:09,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:49:09,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:49:09,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361056242] [2022-11-03 02:49:09,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:09,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:09,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:09,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:09,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:49:09,822 INFO L87 Difference]: Start difference. First operand 1484 states and 1937 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:10,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:10,267 INFO L93 Difference]: Finished difference Result 2627 states and 3470 transitions. [2022-11-03 02:49:10,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:10,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:49:10,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:10,269 INFO L225 Difference]: With dead ends: 2627 [2022-11-03 02:49:10,269 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:49:10,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:49:10,270 INFO L413 NwaCegarLoop]: 886 mSDtfsCounter, 857 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 1819 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:10,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 1819 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:49:10,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:49:10,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:49:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2972051806407634) internal successors, (1903), 1467 states have internal predecessors, (1903), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:49:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1933 transitions. [2022-11-03 02:49:10,426 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1933 transitions. Word has length 346 [2022-11-03 02:49:10,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:10,427 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1933 transitions. [2022-11-03 02:49:10,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:10,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1933 transitions. [2022-11-03 02:49:10,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:49:10,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:10,429 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:10,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (113)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:10,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2022-11-03 02:49:10,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 113 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,114 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:10,830 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:10,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:10,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1021428531, now seen corresponding path program 1 times [2022-11-03 02:49:10,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:10,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065819915] [2022-11-03 02:49:10,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:10,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:10,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:10,833 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:10,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (115)] Waiting until timeout for monitored process [2022-11-03 02:49:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:11,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:49:11,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:49:11,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:12,017 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:49:12,017 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:12,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2065819915] [2022-11-03 02:49:12,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2065819915] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:12,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [214711355] [2022-11-03 02:49:12,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:12,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:12,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:49:12,018 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:49:12,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2022-11-03 02:49:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:13,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:49:13,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:49:13,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:13,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [214711355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:13,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:49:13,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:49:13,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857709556] [2022-11-03 02:49:13,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:13,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:13,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:13,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:13,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:49:13,798 INFO L87 Difference]: Start difference. First operand 1484 states and 1933 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:14,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:14,300 INFO L93 Difference]: Finished difference Result 2619 states and 3453 transitions. [2022-11-03 02:49:14,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:14,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:49:14,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:14,303 INFO L225 Difference]: With dead ends: 2619 [2022-11-03 02:49:14,303 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:49:14,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:49:14,304 INFO L413 NwaCegarLoop]: 884 mSDtfsCounter, 851 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 1816 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:14,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [854 Valid, 1816 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:49:14,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:49:14,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:49:14,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.294478527607362) internal successors, (1899), 1467 states have internal predecessors, (1899), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:49:14,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1929 transitions. [2022-11-03 02:49:14,426 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1929 transitions. Word has length 346 [2022-11-03 02:49:14,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:14,427 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1929 transitions. [2022-11-03 02:49:14,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:14,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1929 transitions. [2022-11-03 02:49:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:49:14,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:14,430 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:14,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (115)] Ended with exit code 0 [2022-11-03 02:49:14,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2022-11-03 02:49:14,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 115 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,116 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:14,845 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:14,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:14,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1111488821, now seen corresponding path program 1 times [2022-11-03 02:49:14,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:14,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720715614] [2022-11-03 02:49:14,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:14,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:14,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:14,848 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:14,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (117)] Waiting until timeout for monitored process [2022-11-03 02:49:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:15,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:49:15,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:49:15,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:49:16,061 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:16,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720715614] [2022-11-03 02:49:16,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720715614] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:16,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1526515018] [2022-11-03 02:49:16,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:16,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:16,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:49:16,062 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:49:16,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2022-11-03 02:49:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:17,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:49:17,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:49:17,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:17,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1526515018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:17,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:49:17,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:49:17,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120834288] [2022-11-03 02:49:17,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:17,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:17,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:17,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:17,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:49:17,824 INFO L87 Difference]: Start difference. First operand 1484 states and 1929 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:18,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:18,307 INFO L93 Difference]: Finished difference Result 2611 states and 3433 transitions. [2022-11-03 02:49:18,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:18,308 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:49:18,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:18,309 INFO L225 Difference]: With dead ends: 2611 [2022-11-03 02:49:18,309 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:49:18,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:49:18,310 INFO L413 NwaCegarLoop]: 882 mSDtfsCounter, 845 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 1813 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:18,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 1813 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:49:18,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:49:18,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:49:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2917518745739605) internal successors, (1895), 1467 states have internal predecessors, (1895), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:49:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1925 transitions. [2022-11-03 02:49:18,482 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1925 transitions. Word has length 346 [2022-11-03 02:49:18,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:18,482 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1925 transitions. [2022-11-03 02:49:18,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1925 transitions. [2022-11-03 02:49:18,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:49:18,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:18,484 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:18,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (117)] Ended with exit code 0 [2022-11-03 02:49:18,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2022-11-03 02:49:18,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 117 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,118 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:18,898 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:18,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:18,899 INFO L85 PathProgramCache]: Analyzing trace with hash -811761609, now seen corresponding path program 1 times [2022-11-03 02:49:18,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:18,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273318426] [2022-11-03 02:49:18,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:18,900 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:18,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:18,901 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:18,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (119)] Waiting until timeout for monitored process [2022-11-03 02:49:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:19,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:49:19,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:19,904 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:49:19,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:49:20,083 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:20,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273318426] [2022-11-03 02:49:20,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273318426] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:20,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1030877591] [2022-11-03 02:49:20,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:20,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:20,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:49:20,085 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:49:20,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2022-11-03 02:49:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:21,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:49:21,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:21,896 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:49:21,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:21,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1030877591] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:21,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:49:21,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:49:21,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151347491] [2022-11-03 02:49:21,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:21,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:21,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:21,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:21,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:49:21,897 INFO L87 Difference]: Start difference. First operand 1484 states and 1925 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:22,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:22,416 INFO L93 Difference]: Finished difference Result 2603 states and 3416 transitions. [2022-11-03 02:49:22,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:22,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:49:22,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:22,419 INFO L225 Difference]: With dead ends: 2603 [2022-11-03 02:49:22,419 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:49:22,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:49:22,420 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 839 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:22,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [842 Valid, 1810 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:49:22,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:49:22,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:49:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2890252215405589) internal successors, (1891), 1467 states have internal predecessors, (1891), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:49:22,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1921 transitions. [2022-11-03 02:49:22,627 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1921 transitions. Word has length 346 [2022-11-03 02:49:22,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:22,627 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1921 transitions. [2022-11-03 02:49:22,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1921 transitions. [2022-11-03 02:49:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:49:22,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:22,631 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:22,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:22,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (119)] Ended with exit code 0 [2022-11-03 02:49:23,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 120 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,119 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:49:23,045 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:23,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:23,046 INFO L85 PathProgramCache]: Analyzing trace with hash 592107577, now seen corresponding path program 1 times [2022-11-03 02:49:23,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:23,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616427503] [2022-11-03 02:49:23,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:23,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:23,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:23,048 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:23,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (121)] Waiting until timeout for monitored process [2022-11-03 02:49:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:23,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:49:23,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:24,071 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:49:24,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:24,286 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:49:24,287 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:24,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [616427503] [2022-11-03 02:49:24,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [616427503] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:24,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1528722266] [2022-11-03 02:49:24,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:24,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:24,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:49:24,289 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:49:24,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2022-11-03 02:49:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:25,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:49:25,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:26,122 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:49:26,122 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:26,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1528722266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:26,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:49:26,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:49:26,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247138595] [2022-11-03 02:49:26,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:26,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:26,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:26,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:26,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:49:26,124 INFO L87 Difference]: Start difference. First operand 1484 states and 1921 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:26,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:26,628 INFO L93 Difference]: Finished difference Result 2595 states and 3399 transitions. [2022-11-03 02:49:26,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:26,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:49:26,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:26,630 INFO L225 Difference]: With dead ends: 2595 [2022-11-03 02:49:26,631 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:49:26,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:49:26,632 INFO L413 NwaCegarLoop]: 879 mSDtfsCounter, 833 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:26,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 1810 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:49:26,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:49:26,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:49:26,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2862985685071575) internal successors, (1887), 1467 states have internal predecessors, (1887), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:49:26,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1917 transitions. [2022-11-03 02:49:26,755 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1917 transitions. Word has length 346 [2022-11-03 02:49:26,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:26,756 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1917 transitions. [2022-11-03 02:49:26,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:26,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1917 transitions. [2022-11-03 02:49:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:49:26,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:26,758 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:26,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:26,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (121)] Ended with exit code 0 [2022-11-03 02:49:27,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 122 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,121 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:49:27,159 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:27,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:27,159 INFO L85 PathProgramCache]: Analyzing trace with hash 936935739, now seen corresponding path program 1 times [2022-11-03 02:49:27,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:27,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [758366007] [2022-11-03 02:49:27,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:27,161 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:27,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:27,162 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:27,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (123)] Waiting until timeout for monitored process [2022-11-03 02:49:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:28,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:49:28,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:28,185 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:49:28,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:28,368 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:49:28,368 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:28,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [758366007] [2022-11-03 02:49:28,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [758366007] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:28,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [910356370] [2022-11-03 02:49:28,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:28,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:28,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:49:28,370 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:49:28,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2022-11-03 02:49:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:29,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:49:29,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:30,226 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:49:30,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:30,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [910356370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:30,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:49:30,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:49:30,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25568571] [2022-11-03 02:49:30,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:30,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:30,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:30,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:30,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:49:30,227 INFO L87 Difference]: Start difference. First operand 1484 states and 1917 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:30,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:30,665 INFO L93 Difference]: Finished difference Result 2587 states and 3382 transitions. [2022-11-03 02:49:30,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:30,666 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:49:30,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:30,667 INFO L225 Difference]: With dead ends: 2587 [2022-11-03 02:49:30,668 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:49:30,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:49:30,669 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 827 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 1804 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:30,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 1804 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:49:30,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:49:30,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:49:30,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.283571915473756) internal successors, (1883), 1467 states have internal predecessors, (1883), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:49:30,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1913 transitions. [2022-11-03 02:49:30,821 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1913 transitions. Word has length 346 [2022-11-03 02:49:30,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:30,821 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1913 transitions. [2022-11-03 02:49:30,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:30,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1913 transitions. [2022-11-03 02:49:30,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:49:30,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:30,823 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:30,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2022-11-03 02:49:31,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (123)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:31,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 124 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,123 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:49:31,224 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:31,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:31,224 INFO L85 PathProgramCache]: Analyzing trace with hash -468255939, now seen corresponding path program 1 times [2022-11-03 02:49:31,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:31,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1974711095] [2022-11-03 02:49:31,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:31,226 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:31,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:31,227 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:31,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (125)] Waiting until timeout for monitored process [2022-11-03 02:49:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:32,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:49:32,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:49:32,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:32,424 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:49:32,424 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:32,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1974711095] [2022-11-03 02:49:32,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1974711095] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:32,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [647308587] [2022-11-03 02:49:32,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:32,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:32,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:49:32,426 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:49:32,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2022-11-03 02:49:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:34,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:49:34,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:34,271 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:49:34,271 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:34,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [647308587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:34,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:49:34,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:49:34,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502526758] [2022-11-03 02:49:34,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:34,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:34,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:34,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:34,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:49:34,273 INFO L87 Difference]: Start difference. First operand 1484 states and 1913 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:34,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:34,711 INFO L93 Difference]: Finished difference Result 2571 states and 3358 transitions. [2022-11-03 02:49:34,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:34,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:49:34,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:34,713 INFO L225 Difference]: With dead ends: 2571 [2022-11-03 02:49:34,713 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:49:34,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:49:34,714 INFO L413 NwaCegarLoop]: 875 mSDtfsCounter, 817 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 1803 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:34,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 1803 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:49:34,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:49:34,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:49:34,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2808452624403546) internal successors, (1879), 1467 states have internal predecessors, (1879), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:49:34,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1909 transitions. [2022-11-03 02:49:34,835 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1909 transitions. Word has length 346 [2022-11-03 02:49:34,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:34,835 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1909 transitions. [2022-11-03 02:49:34,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1909 transitions. [2022-11-03 02:49:34,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:49:34,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:34,837 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:34,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:35,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (125)] Ended with exit code 0 [2022-11-03 02:49:35,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 126 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,125 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:49:35,238 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:35,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:35,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1428723519, now seen corresponding path program 1 times [2022-11-03 02:49:35,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:35,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [376255117] [2022-11-03 02:49:35,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:35,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:35,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:35,240 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:35,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (127)] Waiting until timeout for monitored process [2022-11-03 02:49:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:36,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:49:36,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:36,256 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:49:36,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:49:36,478 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:36,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [376255117] [2022-11-03 02:49:36,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [376255117] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:36,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [758227802] [2022-11-03 02:49:36,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:36,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:36,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:49:36,480 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:49:36,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2022-11-03 02:49:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:38,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:49:38,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:38,408 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:49:38,408 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:38,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [758227802] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:38,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:49:38,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:49:38,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071897068] [2022-11-03 02:49:38,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:38,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:38,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:38,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:38,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:49:38,411 INFO L87 Difference]: Start difference. First operand 1484 states and 1909 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:38,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:38,926 INFO L93 Difference]: Finished difference Result 2563 states and 3341 transitions. [2022-11-03 02:49:38,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:38,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:49:38,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:38,929 INFO L225 Difference]: With dead ends: 2563 [2022-11-03 02:49:38,929 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:49:38,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:49:38,930 INFO L413 NwaCegarLoop]: 873 mSDtfsCounter, 811 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:38,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 1800 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:49:38,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:49:39,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:49:39,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.278118609406953) internal successors, (1875), 1467 states have internal predecessors, (1875), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:49:39,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1905 transitions. [2022-11-03 02:49:39,098 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1905 transitions. Word has length 346 [2022-11-03 02:49:39,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:39,098 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1905 transitions. [2022-11-03 02:49:39,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:39,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1905 transitions. [2022-11-03 02:49:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:49:39,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:39,101 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:39,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2022-11-03 02:49:39,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (127)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:39,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 128 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,127 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:49:39,501 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:39,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:39,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1272742977, now seen corresponding path program 1 times [2022-11-03 02:49:39,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:39,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852496177] [2022-11-03 02:49:39,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:39,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:39,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:39,505 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:39,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (129)] Waiting until timeout for monitored process [2022-11-03 02:49:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:40,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:49:40,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:40,574 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:49:40,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:49:40,754 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:40,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852496177] [2022-11-03 02:49:40,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852496177] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:40,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1800316898] [2022-11-03 02:49:40,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:40,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:40,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:49:40,756 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:49:40,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2022-11-03 02:49:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:42,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:49:42,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:49:42,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:42,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1800316898] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:42,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:49:42,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:49:42,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861240428] [2022-11-03 02:49:42,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:42,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:42,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:42,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:42,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:49:42,765 INFO L87 Difference]: Start difference. First operand 1484 states and 1905 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:43,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:43,244 INFO L93 Difference]: Finished difference Result 2555 states and 3324 transitions. [2022-11-03 02:49:43,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:43,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:49:43,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:43,247 INFO L225 Difference]: With dead ends: 2555 [2022-11-03 02:49:43,247 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:49:43,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:49:43,248 INFO L413 NwaCegarLoop]: 871 mSDtfsCounter, 805 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:43,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 1797 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:49:43,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:49:43,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:49:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2753919563735514) internal successors, (1871), 1467 states have internal predecessors, (1871), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:49:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1901 transitions. [2022-11-03 02:49:43,385 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1901 transitions. Word has length 346 [2022-11-03 02:49:43,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:43,386 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1901 transitions. [2022-11-03 02:49:43,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1901 transitions. [2022-11-03 02:49:43,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:49:43,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:43,389 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:43,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2022-11-03 02:49:43,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (129)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:43,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 130 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,129 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:49:43,789 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:43,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:43,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1342390851, now seen corresponding path program 1 times [2022-11-03 02:49:43,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:43,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576050403] [2022-11-03 02:49:43,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:43,791 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:43,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:43,792 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:43,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (131)] Waiting until timeout for monitored process [2022-11-03 02:49:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:44,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:49:44,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:49:44,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:45,173 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:49:45,173 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:45,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [576050403] [2022-11-03 02:49:45,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [576050403] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:45,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1846316857] [2022-11-03 02:49:45,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:45,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:45,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:49:45,175 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:49:45,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2022-11-03 02:49:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:46,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:49:46,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:49:47,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:47,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1846316857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:47,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:49:47,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:49:47,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792774614] [2022-11-03 02:49:47,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:47,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:47,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:47,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:47,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:49:47,180 INFO L87 Difference]: Start difference. First operand 1484 states and 1901 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:47,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:47,655 INFO L93 Difference]: Finished difference Result 2547 states and 3304 transitions. [2022-11-03 02:49:47,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:47,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:49:47,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:47,658 INFO L225 Difference]: With dead ends: 2547 [2022-11-03 02:49:47,658 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:49:47,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:49:47,660 INFO L413 NwaCegarLoop]: 869 mSDtfsCounter, 799 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:47,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 1794 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:49:47,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:49:47,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:49:47,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.27266530334015) internal successors, (1867), 1467 states have internal predecessors, (1867), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:49:47,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1897 transitions. [2022-11-03 02:49:47,804 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1897 transitions. Word has length 346 [2022-11-03 02:49:47,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:47,805 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1897 transitions. [2022-11-03 02:49:47,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:47,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1897 transitions. [2022-11-03 02:49:47,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:49:47,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:47,808 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:47,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (131)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:48,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (132)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:48,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 131 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,132 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:48,225 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:48,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:48,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1705857349, now seen corresponding path program 1 times [2022-11-03 02:49:48,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:48,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [904128779] [2022-11-03 02:49:48,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:48,227 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:48,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:48,228 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:48,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (133)] Waiting until timeout for monitored process [2022-11-03 02:49:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:49,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:49:49,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:49,330 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:49:49,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:49,534 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:49:49,535 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:49,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [904128779] [2022-11-03 02:49:49,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [904128779] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:49,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1844640960] [2022-11-03 02:49:49,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:49,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:49,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:49:49,536 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:49:49,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2022-11-03 02:49:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:51,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:49:51,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:51,530 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:49:51,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:51,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1844640960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:51,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:49:51,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:49:51,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286138979] [2022-11-03 02:49:51,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:51,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:51,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:51,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:51,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:49:51,532 INFO L87 Difference]: Start difference. First operand 1484 states and 1897 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:52,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:52,039 INFO L93 Difference]: Finished difference Result 2539 states and 3287 transitions. [2022-11-03 02:49:52,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:52,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:49:52,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:52,042 INFO L225 Difference]: With dead ends: 2539 [2022-11-03 02:49:52,042 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:49:52,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:49:52,043 INFO L413 NwaCegarLoop]: 868 mSDtfsCounter, 793 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:52,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 1794 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:49:52,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:49:52,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:49:52,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2699386503067485) internal successors, (1863), 1467 states have internal predecessors, (1863), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:49:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1893 transitions. [2022-11-03 02:49:52,216 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1893 transitions. Word has length 346 [2022-11-03 02:49:52,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:52,216 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1893 transitions. [2022-11-03 02:49:52,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1893 transitions. [2022-11-03 02:49:52,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:49:52,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:52,219 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:52,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (133)] Ended with exit code 0 [2022-11-03 02:49:52,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2022-11-03 02:49:52,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 133 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,134 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:52,620 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:52,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:52,620 INFO L85 PathProgramCache]: Analyzing trace with hash 757805383, now seen corresponding path program 1 times [2022-11-03 02:49:52,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:52,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423821626] [2022-11-03 02:49:52,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:52,622 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:52,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:52,623 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:52,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (135)] Waiting until timeout for monitored process [2022-11-03 02:49:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:53,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:49:53,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:49:54,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:49:54,178 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:54,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423821626] [2022-11-03 02:49:54,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1423821626] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:54,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1052982887] [2022-11-03 02:49:54,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:54,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:54,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:49:54,180 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:49:54,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2022-11-03 02:49:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:55,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:49:55,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:56,076 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:49:56,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:56,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1052982887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:56,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:49:56,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:49:56,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64955136] [2022-11-03 02:49:56,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:56,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:56,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:56,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:56,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:49:56,078 INFO L87 Difference]: Start difference. First operand 1484 states and 1893 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:56,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:56,547 INFO L93 Difference]: Finished difference Result 2531 states and 3270 transitions. [2022-11-03 02:49:56,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:56,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:49:56,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:56,549 INFO L225 Difference]: With dead ends: 2531 [2022-11-03 02:49:56,550 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:49:56,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:49:56,551 INFO L413 NwaCegarLoop]: 865 mSDtfsCounter, 787 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:56,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 1788 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:49:56,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:49:56,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:49:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2672119972733469) internal successors, (1859), 1467 states have internal predecessors, (1859), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:49:56,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1889 transitions. [2022-11-03 02:49:56,670 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1889 transitions. Word has length 346 [2022-11-03 02:49:56,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:56,670 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1889 transitions. [2022-11-03 02:49:56,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:56,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1889 transitions. [2022-11-03 02:49:56,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:49:56,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:56,672 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:56,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2022-11-03 02:49:56,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (135)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:57,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 136 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,135 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:49:57,073 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:57,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:57,073 INFO L85 PathProgramCache]: Analyzing trace with hash 51208777, now seen corresponding path program 1 times [2022-11-03 02:49:57,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:57,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222811360] [2022-11-03 02:49:57,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:57,075 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:57,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:57,076 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:57,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (137)] Waiting until timeout for monitored process [2022-11-03 02:49:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:58,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:49:58,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:58,117 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:49:58,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:58,309 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:49:58,310 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:58,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222811360] [2022-11-03 02:49:58,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222811360] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:58,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [345354845] [2022-11-03 02:49:58,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:58,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:58,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:49:58,312 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:49:58,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2022-11-03 02:50:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:00,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:50:00,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:50:00,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:50:00,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [345354845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:00,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:50:00,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:50:00,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945767960] [2022-11-03 02:50:00,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:00,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:50:00,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:50:00,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:50:00,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:50:00,555 INFO L87 Difference]: Start difference. First operand 1484 states and 1889 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:50:01,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:01,130 INFO L93 Difference]: Finished difference Result 2523 states and 3253 transitions. [2022-11-03 02:50:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:50:01,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:50:01,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:01,133 INFO L225 Difference]: With dead ends: 2523 [2022-11-03 02:50:01,133 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 02:50:01,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:50:01,135 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 781 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:01,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 1785 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:50:01,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 02:50:01,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 02:50:01,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2644853442399455) internal successors, (1855), 1467 states have internal predecessors, (1855), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:50:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1885 transitions. [2022-11-03 02:50:01,323 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1885 transitions. Word has length 346 [2022-11-03 02:50:01,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:01,323 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1885 transitions. [2022-11-03 02:50:01,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:50:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1885 transitions. [2022-11-03 02:50:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:50:01,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:01,326 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:01,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (137)] Ended with exit code 0 [2022-11-03 02:50:01,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2022-11-03 02:50:01,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 137 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,138 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:50:01,727 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:01,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:01,727 INFO L85 PathProgramCache]: Analyzing trace with hash 539255883, now seen corresponding path program 1 times [2022-11-03 02:50:01,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:50:01,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2043162678] [2022-11-03 02:50:01,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:01,729 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:50:01,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:50:01,730 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:50:01,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (139)] Waiting until timeout for monitored process [2022-11-03 02:50:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:02,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:50:02,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:50:02,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:50:03,024 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:50:03,024 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:50:03,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2043162678] [2022-11-03 02:50:03,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2043162678] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:50:03,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [384357793] [2022-11-03 02:50:03,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:03,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:50:03,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:50:03,026 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:50:03,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2022-11-03 02:50:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:04,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:50:04,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:04,945 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:50:04,945 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:50:04,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [384357793] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:04,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:50:04,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:50:04,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456134795] [2022-11-03 02:50:04,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:04,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:50:04,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:50:04,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:50:04,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:50:04,946 INFO L87 Difference]: Start difference. First operand 1484 states and 1885 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:50:05,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:05,442 INFO L93 Difference]: Finished difference Result 2523 states and 3249 transitions. [2022-11-03 02:50:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:50:05,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:50:05,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:05,444 INFO L225 Difference]: With dead ends: 2523 [2022-11-03 02:50:05,444 INFO L226 Difference]: Without dead ends: 1861 [2022-11-03 02:50:05,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:50:05,445 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 773 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:05,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 1787 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:50:05,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1861 states. [2022-11-03 02:50:05,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1861 to 1484. [2022-11-03 02:50:05,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2631220177232447) internal successors, (1853), 1467 states have internal predecessors, (1853), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:50:05,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1883 transitions. [2022-11-03 02:50:05,641 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1883 transitions. Word has length 346 [2022-11-03 02:50:05,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:05,642 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1883 transitions. [2022-11-03 02:50:05,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:50:05,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1883 transitions. [2022-11-03 02:50:05,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:50:05,644 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:05,645 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:05,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (139)] Forceful destruction successful, exit code 0 [2022-11-03 02:50:05,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2022-11-03 02:50:06,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 139 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,140 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:50:06,045 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:06,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:06,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1826779187, now seen corresponding path program 1 times [2022-11-03 02:50:06,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:50:06,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820144933] [2022-11-03 02:50:06,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:06,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:50:06,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:50:06,048 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:50:06,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (141)] Waiting until timeout for monitored process [2022-11-03 02:50:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:07,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:50:07,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:07,172 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:50:07,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:50:07,366 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:50:07,366 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:50:07,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820144933] [2022-11-03 02:50:07,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [820144933] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:50:07,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [578692797] [2022-11-03 02:50:07,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:07,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:50:07,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:50:07,368 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:50:07,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2022-11-03 02:50:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:08,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:50:08,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:09,319 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:50:09,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:50:09,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [578692797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:09,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:50:09,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:50:09,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512280687] [2022-11-03 02:50:09,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:09,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:50:09,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:50:09,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:50:09,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:50:09,322 INFO L87 Difference]: Start difference. First operand 1484 states and 1883 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:50:09,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:09,809 INFO L93 Difference]: Finished difference Result 2537 states and 3264 transitions. [2022-11-03 02:50:09,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:50:09,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:50:09,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:09,811 INFO L225 Difference]: With dead ends: 2537 [2022-11-03 02:50:09,811 INFO L226 Difference]: Without dead ends: 1875 [2022-11-03 02:50:09,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:50:09,812 INFO L413 NwaCegarLoop]: 861 mSDtfsCounter, 763 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:09,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [766 Valid, 1783 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:50:09,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2022-11-03 02:50:09,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1484. [2022-11-03 02:50:09,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2603953646898431) internal successors, (1849), 1467 states have internal predecessors, (1849), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:50:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1879 transitions. [2022-11-03 02:50:09,942 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1879 transitions. Word has length 346 [2022-11-03 02:50:09,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:09,942 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1879 transitions. [2022-11-03 02:50:09,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:50:09,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1879 transitions. [2022-11-03 02:50:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:50:09,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:09,945 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:09,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (142)] Forceful destruction successful, exit code 0 [2022-11-03 02:50:10,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (141)] Forceful destruction successful, exit code 0 [2022-11-03 02:50:10,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 142 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,141 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:50:10,347 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:10,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:10,348 INFO L85 PathProgramCache]: Analyzing trace with hash 326327631, now seen corresponding path program 1 times [2022-11-03 02:50:10,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:50:10,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [828281209] [2022-11-03 02:50:10,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:10,349 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:50:10,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:50:10,351 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:50:10,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (143)] Waiting until timeout for monitored process [2022-11-03 02:50:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:11,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:50:11,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:50:11,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:50:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:50:11,624 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:50:11,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [828281209] [2022-11-03 02:50:11,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [828281209] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:50:11,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [110251363] [2022-11-03 02:50:11,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:11,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:50:11,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:50:11,626 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:50:11,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2022-11-03 02:50:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:13,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:50:13,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:50:13,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:50:13,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [110251363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:13,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:50:13,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:50:13,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491621524] [2022-11-03 02:50:13,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:13,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:50:13,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:50:13,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:50:13,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:50:13,799 INFO L87 Difference]: Start difference. First operand 1484 states and 1879 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:50:14,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:14,353 INFO L93 Difference]: Finished difference Result 2561 states and 3289 transitions. [2022-11-03 02:50:14,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:50:14,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:50:14,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:14,355 INFO L225 Difference]: With dead ends: 2561 [2022-11-03 02:50:14,355 INFO L226 Difference]: Without dead ends: 1899 [2022-11-03 02:50:14,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:50:14,358 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 753 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 1782 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:14,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 1782 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:50:14,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1899 states. [2022-11-03 02:50:14,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1899 to 1488. [2022-11-03 02:50:14,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1488 states, 1471 states have (on average 1.2583276682528892) internal successors, (1851), 1471 states have internal predecessors, (1851), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:50:14,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1881 transitions. [2022-11-03 02:50:14,585 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1881 transitions. Word has length 346 [2022-11-03 02:50:14,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:14,586 INFO L495 AbstractCegarLoop]: Abstraction has 1488 states and 1881 transitions. [2022-11-03 02:50:14,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:50:14,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1881 transitions. [2022-11-03 02:50:14,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:50:14,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:14,588 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:14,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2022-11-03 02:50:14,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (143)] Forceful destruction successful, exit code 0 [2022-11-03 02:50:14,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 144 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,143 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:50:14,989 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:14,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:14,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1357368529, now seen corresponding path program 1 times [2022-11-03 02:50:14,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:50:14,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896150310] [2022-11-03 02:50:14,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:14,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:50:14,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:50:14,992 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:50:14,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (145)] Waiting until timeout for monitored process [2022-11-03 02:50:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:16,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:50:16,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:16,130 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:50:16,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:50:16,315 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:50:16,315 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:50:16,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896150310] [2022-11-03 02:50:16,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1896150310] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:50:16,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [591522153] [2022-11-03 02:50:16,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:16,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:50:16,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:50:16,317 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:50:16,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2022-11-03 02:50:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:17,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:50:17,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 02:50:18,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:50:18,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [591522153] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:18,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:50:18,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 02:50:18,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13346787] [2022-11-03 02:50:18,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:18,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:50:18,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:50:18,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:50:18,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:50:18,281 INFO L87 Difference]: Start difference. First operand 1488 states and 1881 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:50:18,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:18,761 INFO L93 Difference]: Finished difference Result 2573 states and 3295 transitions. [2022-11-03 02:50:18,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:50:18,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 02:50:18,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:18,764 INFO L225 Difference]: With dead ends: 2573 [2022-11-03 02:50:18,764 INFO L226 Difference]: Without dead ends: 1911 [2022-11-03 02:50:18,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:50:18,765 INFO L413 NwaCegarLoop]: 858 mSDtfsCounter, 747 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:18,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 1779 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:50:18,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2022-11-03 02:50:18,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1492. [2022-11-03 02:50:18,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1475 states have (on average 1.256271186440678) internal successors, (1853), 1475 states have internal predecessors, (1853), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:50:18,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 1883 transitions. [2022-11-03 02:50:18,991 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 1883 transitions. Word has length 346 [2022-11-03 02:50:18,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:18,992 INFO L495 AbstractCegarLoop]: Abstraction has 1492 states and 1883 transitions. [2022-11-03 02:50:18,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:50:18,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1883 transitions. [2022-11-03 02:50:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 02:50:18,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:18,995 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:19,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2022-11-03 02:50:19,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (145)] Ended with exit code 0 [2022-11-03 02:50:19,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 146 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,145 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:50:19,401 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:19,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:19,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1586213549, now seen corresponding path program 1 times [2022-11-03 02:50:19,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:50:19,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491939955] [2022-11-03 02:50:19,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:19,403 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:50:19,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:50:19,404 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:50:19,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (147)] Waiting until timeout for monitored process [2022-11-03 02:50:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:20,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:50:20,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:20,569 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:50:20,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:50:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:50:20,796 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:50:20,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491939955] [2022-11-03 02:50:20,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491939955] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:50:20,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [549011979] [2022-11-03 02:50:20,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:20,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:50:20,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:50:20,798 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:50:20,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2022-11-03 02:50:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:23,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 02:50:23,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:23,280 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:50:23,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:50:23,383 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:50:23,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [549011979] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:50:23,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690183629] [2022-11-03 02:50:23,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:23,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:50:23,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:50:23,385 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:50:23,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (149)] Waiting until timeout for monitored process [2022-11-03 02:50:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:24,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:50:24,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 02:50:24,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:50:24,672 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:50:24,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690183629] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:50:24,673 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 02:50:24,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9, 8, 10, 10] total 24 [2022-11-03 02:50:24,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696464149] [2022-11-03 02:50:24,673 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 02:50:24,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-03 02:50:24,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:50:24,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-03 02:50:24,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:50:24,675 INFO L87 Difference]: Start difference. First operand 1492 states and 1883 transitions. Second operand has 24 states, 19 states have (on average 14.947368421052632) internal successors, (284), 24 states have internal predecessors, (284), 11 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 6 states have call predecessors, (21), 11 states have call successors, (21) [2022-11-03 02:50:26,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:26,804 INFO L93 Difference]: Finished difference Result 2169 states and 2752 transitions. [2022-11-03 02:50:26,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 02:50:26,804 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 19 states have (on average 14.947368421052632) internal successors, (284), 24 states have internal predecessors, (284), 11 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 6 states have call predecessors, (21), 11 states have call successors, (21) Word has length 346 [2022-11-03 02:50:26,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:26,805 INFO L225 Difference]: With dead ends: 2169 [2022-11-03 02:50:26,805 INFO L226 Difference]: Without dead ends: 1108 [2022-11-03 02:50:26,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2086 GetRequests, 2044 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=334, Invalid=1226, Unknown=0, NotChecked=0, Total=1560 [2022-11-03 02:50:26,806 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 5301 mSDsluCounter, 2419 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5301 SdHoareTripleChecker+Valid, 2692 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:26,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5301 Valid, 2692 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1152 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-03 02:50:26,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2022-11-03 02:50:27,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1098. [2022-11-03 02:50:27,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1081 states have (on average 1.2941720629047178) internal successors, (1399), 1081 states have internal predecessors, (1399), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:50:27,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1429 transitions. [2022-11-03 02:50:27,003 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1429 transitions. Word has length 346 [2022-11-03 02:50:27,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:27,003 INFO L495 AbstractCegarLoop]: Abstraction has 1098 states and 1429 transitions. [2022-11-03 02:50:27,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 19 states have (on average 14.947368421052632) internal successors, (284), 24 states have internal predecessors, (284), 11 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 6 states have call predecessors, (21), 11 states have call successors, (21) [2022-11-03 02:50:27,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1429 transitions. [2022-11-03 02:50:27,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 02:50:27,008 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:27,008 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:27,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (147)] Forceful destruction successful, exit code 0 [2022-11-03 02:50:27,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (148)] Forceful destruction successful, exit code 0 [2022-11-03 02:50:27,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (149)] Forceful destruction successful, exit code 0 [2022-11-03 02:50:27,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 147 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,148 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,149 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:50:27,627 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:27,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:27,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1532583156, now seen corresponding path program 1 times [2022-11-03 02:50:27,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:50:27,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512551814] [2022-11-03 02:50:27,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:27,630 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:50:27,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:50:27,631 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:50:27,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (150)] Waiting until timeout for monitored process [2022-11-03 02:50:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:29,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 02:50:29,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:30,744 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 14 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-11-03 02:50:30,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:50:30,817 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:50:30,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512551814] [2022-11-03 02:50:30,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [512551814] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:50:30,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1708528449] [2022-11-03 02:50:30,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:30,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:50:30,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:50:30,819 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:50:30,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2022-11-03 02:50:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:34,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 02:50:34,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:36,505 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 389 proven. 82 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 02:50:36,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:50:37,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1708528449] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:50:37,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994697194] [2022-11-03 02:50:37,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:37,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:50:37,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:50:37,244 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:50:37,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9085b30c-0c9e-4f99-863e-871c2c8df25a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (152)] Waiting until timeout for monitored process [2022-11-03 02:50:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:38,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 02:50:38,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:41,639 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 57 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-11-03 02:50:41,639 INFO L328 TraceCheckSpWp]: Computing backward predicates...